Keyword
line
Info
FrequencyTop 200-300
Type
Kyōiku (2nd grade) 
?
KankenLevel 9
Heisig1438
Readings
せん
(99%)
Composed of
thread
fountain
Mnemonic

There's a long line of people waiting to drink at the fountain, trailing off like a thread.

Used in vocabulary (997 in total)
one's line of sight; one's gaze; one's eyes (looking); glance; gaze; look
line; stripe; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad)
(one's) gaze; direction in which one is looking; point of view; standpoint; line covering someone's eyes (in an edited photograph)
to look downwards (at); to lower one's gaze; to drop one's eyes
(weather) front; front line; forward area; action zone
beam; light ray
radio (communication); wireless; not using wires
(war) front
front line; forefront
railway track; railway line; railroad; railway; track; line
straight line
route (bus, train, air, etc.); line; line (taken by a group, organization, etc.); policy; course
circuit; line
condescending attitude; arrogant attitude; looking down on
Shinkansen; bullet train
horizon (related to land)
derailment; digression; deviation
horizon (related to bodies of water)
to draw a line
delineation; demarcation; drawing a line (e.g. between what's acceptable and unacceptable); (measuring) ruler
parallel lines; remaining far apart (e.g. in discussions); not reaching an agreement
line of defence (defense); lines (as in enemy lines, etc.)
to cross the line; to go too far
incense stick
to watch intently; to stare
linear; rectilinear; straight-line; straightforward; simple
shamisen; samisen; three-stringed Japanese lute
(wireless) transceiver; radio; walkie-talkie
borderline between life and death; verge of death; deadline (boundary around a prison which prisoners were not allowed to cross)
coastline; shoreline; coastal railway
foreshadowing; preparation; precautionary measures
extension of a straight line; (conclusion) following as an extension of (an argument)
electric line; electric cable; power cable; telephone line; telegraph wire
lifeline; matter of life or death; indispensable thing; life line (in palm reading)
to draw a line (between); to make a distinction (between); to distinguish (between)
infrared rays; infrared radiation
traffic lane; road lane
ridgeline; lines of a mountain ridge
the front (of a battlefield); forefront
heated wire; infrared rays; heat rays
ultraviolet rays; ultraviolet radiation
distance in a straight line
common front; united front
white line; linea alba (anot.)
sensitive; fragile; feeble; indecisive
to strike a chord; to tug at one's heartstrings; to resonate
phone extension; indoor wiring; inner line
wired; cabled; communication by wire
toy fireworks; sparklers
main road; main thoroughfare
streamline shape; aerodynamic shape
to draw the line; to set a boundary; to make a clear distinction
frontline (military) base; forward base; outpost
alongside a railway line, bus route, major thoroughfare, etc.
firing line
on the line; borderline
leaving the front line; retiring from the game; deserting the battle
to take precautions; to set a guard against attack
crossed wires or lines (of communication); confusion
line of flow
oblique line; forward slash
disconnection; interruption; burn-out
horizontal line
(on the) right track
defensive perimeter; defence line; defense line; precaution; safeguard; safety measure
conducting wire
abandoned railway line; closed railway line; discontinued line
to be on the right track; to be close enough
the whole line; all lines; the whole ship
heartstrings; koto string
beauty of slender female legs
international air route
track number
vertical line; bar line (e.g. in music)
batting lineup (line-up)
main line; trunk line
outside telephone line; outer circle
established (existing) policy (procedure(s))
line drawing
bus on a regular route; fixed-route bus; transit bus
change in a bus route; change in policy; policy change (reversal)
looking straight at the camera; paying attention to the camera
red line; red-light district (marked by a red line on police maps); non-legal public road (denoted by a red line on cadastral maps; sometimes no longer physically existing)
route map (buses, trains, etc.)
sunlight; rays of the Sun
streamline shape; aerodynamic shape
mosquito coil; anti-mosquito incense
domestic air route; domestic airline (company)
top notch; first rate; top-of-the-line; leading
iron (steel) wire; Chinese clematis; Clematis florida; leather flower
opposite lane; oncoming lane; opposite side of the road
both (railway) tracks; (both) up and down tracks (lines)
to cross the line; to go too far
opposite lane; oncoming lane; opposite side of the road
criminal investigation
loop line; (transportation) belt line
government railway line
wireless local area network; wireless LAN; WLAN
to be on the right track; to go well
centre line; center line; central line
main line; trunk line
to be out of danger
dotted line; perforated line
heartstrings; innermost soul
to consider another's point of view; to put oneself in someone's shoes
staff notation
flow line; streamline; lines representing the flow of a fluid
warning line; police cordon
to offer incense (for a departed person); to light an incense stick
curvilinear beauty; curvaceousness
Western Front (of WWI)
conventional train line (esp. non-Shinkansen)
ditch next to railway track
copper line; copper wire
leased line; private circuit; private line
down line; outbound line
overhead wires; elevated railway
branch line
single track (railway); single line; solid wire; solid-core wire; single-strand wire
ruled line; rule; chart; crease; score; border
shaft line; axis
to foreshadow; to drop a hint (of things to come); to take precautionary measures; to make contingency plans
to offer incense (for a departed person); to light an incense stick
(on the) right track
black line; linea nigra; pregnancy line
underline; side line (equivalent to underlining in vertically written text)
outline; contour line; border line
track maintenance
overhead power line; aerial wiring; overhead line (for trains, trams, etc.); overheard wire
hard wiring
rifling marks on a fired bullet
bright line
up line; in-bound line
railroad track; rail line
points and lines
run (in a stocking)
straight course; straight-way; a straight
platform no. 2; track 2
line segment
(drawn) line; line in a drawing
far-infrared rays; far-infrared radiation; FIR
grid-line (e.g. in spreadsheet); enclosing line
nasolabial fold; smile line; laugh line
wavy line
to be on the right track; to be close enough
cordless telephone; wireless telephone
entering a track (of a train); arrival of a train (at a platform); passing the post (horseracing); crossing the finish line
revealing something that was foreshadowed earlier in the story
fibre; fiber; textile
sanshin; Okinawan traditional three-stringed instrument; precursor to the shamisen
humming a samisen tune
supply line; line of communications
contour (line); isohypse
lane change; changing lanes
line of force
popular line (of goods); products predicted to sell well
strong-nerved; decisive
underline; underscore
high-voltage wire
passing lane; outside lane; fast lane
wireless-activated disaster warning system
arc (of a circle)
line; a streak
saturated linework; concentrated linework
dose (of radioactivity)
broken line; dashed line
to be on the right track; to go well
backlight (in photography, etc.); illumination (of the subject) from behind
line symmetry; reflection symmetry; axial symmetry
exclusive line (communications); dedicated line
muscle fiber; muscle fibre
double track; two-track line
cherry blossom front
additional line
(following) a pragmatic (policy) line (approach)
scan line (e.g. TV)
hyperbolic curve; hyperbola
line along which to cut something off; perforated line; dotted line
straight line
bus route; bus line
shamisen; samisen; three-stringed Japanese lute
meridian; meridian line
blue line; area around a red-light district where illegal prostitution occurred (marked on police maps by a blue line) (1940s-1956); non-legal public waterway (denoted by a blue line on cadastral maps; sometimes no longer physically existing)
non-linear; nonlinear
expansion policy; road to expansion
optical communications line; optical network
railroad operating over private tracks
pregnancy stretch mark; striae gravidarum
landline telephone; fixed-line telephone
line of magnetic force
incense holder; incense burner
to be on the right track; to go well
radio equipment; facility that can transmit radio waves (as defined in Japan's radio law)
radiology technician; radiographer
resistance level (e.g. in share prices); resistance wire; line of resistance
tangent line; tangential line
heating element; electrically-heated wire
staff; stave
sidetrack; siding; lateral line (of a fish)
radio-controlled (plane)
platform no. 2; track 2
condescending attitude; arrogant attitude; looking down on
perpendicular line; vertical line
polyline; broken line; zigzag; polygonal line
(railway) siding; service line; service wire
impressive; tough
dividing line; parting line; separation line
underlined part
new railway line
parallel railways
overloading an electrical circuit; piggybacked electrical outlet; "octopus outlet"
(weather-related) line of discontinuity
actinomycete; actinomycetes; ray fungus
nerve fiber; nerve fibre
a sidetrack; a turnout
(railway) siding; service line; service wire
nichrome wire
logistic curve; growth curve
mosquito coil; anti-mosquito incense
aeronautical radio; aircraft radio
lead (electronics)
meridian; longitude
perpendicular line
reference line; base line; baseline; datum line
tangent line; tangential line
(going) the pure love stories route (in movie making)
heavy line (for emphasis); thick line; underline; border
dividing line; intermediate line; intermediate rays
loop line; circle line; circle route
starting lines in the ring
four-track rail line (two in each direction); quadruple railway track
crepuscular rays; sunbeams
spiral (railway); spiral loop; curved railway line used to ascend steep hills
white candlestick (in a candlestick chart); bullish candlestick
loss-making line (railway, bus, etc.); unprofitable route
radiation damage; radiation injury; radiation hazard
front line of (trenches for) deployed soldiers
near infrared ray; near infrared radiation
autumn rain front; fall rain front
catgut; sheepgut
electrical light wiring
to be on the right track; to go well
policy of reconciliation
radio (wireless) operator; radioman
government emergency radio system for disaster prevention and relief
radiation sickness; radiation disease
line of demarcation
hard line; hard-line; tough line; hawkish line
pilus; fimbria
red candlestick (in a candlestick chart); bearish candlestick
head line (in palm reading)
analog line (circuit)
ground wire; earth wire; earthed line
stranded wire; strand wire; strand; stranded cable; stranded conductor; twisted wire
money brought to a funeral; incense money; fee for a geisha's time
train line; bus line
underground wire or cable
policy of using dialogue instead of confrontation
policy change (reversal)
line to fold along (e.g. origami, packaging); bend line
overline; overscore; overbar
along the route (line)
line judge; linesman
branch line; spur
(cherry) blossom front; flower front
radiatio; radial structure; radiation (in anatomy, etc.)
helix; spiral
passing lane; outside lane; fast lane
Siegfried Line (German defensive line built before World War II)
line along which to cut something off; perforated line; dotted line
intelligence line (in palm reading)
watershed; divide
magnet wire; enameled wire
high-speed lane; fast lane
undersea cable (communications, power); submarine cable
acute radiation syndrome; ARS; acute radiation damage
section of track
number line (e.g. on a graph); real number line
medical radiographer; radiological technologist
shoreline; beach line
byungjin line; North Korean policy of simultaneous development of its economy and nuclear weapons program
to rule a line; to draw a line
mosquito coil; anti-mosquito incense
base line
Mees' lines
nasolabial fold; smile line; laugh line
line along which to cut something off; perforated line; dotted line
internal wiring (within a building)
Milan belt railway
toy fireworks; sparklers
moderate line; middle-of-the-road policy line
overloading an electrical circuit; piggybacked electrical outlet; "octopus outlet"
low dose (e.g. radiation)
to take precautions; to set a guard against attack
stationary weather front
area around a red-light district where illegal prostitution occurred (marked on police maps by a blue line) (1940s-1956)
to be on the right track; to go well
gun rifling
particle horizon of the observable universe
broken line
harbor railroad; harbour railroad
conic curve; conic section
line capacity; circuit capacity
area around a red-light district where illegal prostitution occurred (marked on police maps by a blue line) (1940s-1956)
branch line
tropics (of Cancer and Capricorn); regression line
nasolabial fold; smile line; laugh line
nasolabial fold; smile line; laugh line
dividing line; demarcation line
common front; united front
to be on the right track; to go well
line network; trunk network
weak-hearted approach; soft line; easier way (route)
private railway or bus line
wireless local area network; wireless LAN; WLAN
line along which to cut something off; perforated line; dotted line
linear rainband; lengthy band of rain
generating line; bus
parallel railways
linear velocity
measuring line (surveying)
wire rod; wire
(railway) siding; service line; service wire
radiation; radiant rays
low-water mark; low-tide line; ebb-tide line
to be on the right track; to go well
carriageway marking; lane marker; compartment line; division line
linear script (e.g. Linear A, Linear B)
geodesic (line)
air dose (esp. radioactivity)
distribution frame; plugboard
ultraviolet treatment; ultraviolet light therapy
red-light district (marked by a red line on police maps)
circulation planning flow planning
DCE; Data Circuit Termination Equipment; Digital Service Unit; line terminating equipment; DSU; LTE
sanshin; Okinawan traditional three-stringed instrument; precursor to the shamisen
Nematoda (phylum of roundworms)
secant line
line concentrator; line multiplexer
normal vector
telecommunications carrier; PTT
radioactive small source
growth path; route to growth
roadside land prices; price of land adjoining a major road, used to calculate inheritance and gift taxes
line graph; line chart
closed-circuit television; community antenna television; CATV; pay TV
(climbing) lane for slower traffic
connection fee; interconnection fees
non-linear; nonlinear
line of electric force
railroad (bus) lines (routes) in operation; business plan (policy)
Japanese spirea (Spiraea Japonica); meadowsweet
(on the) right track
ruled line; rule; chart; crease; score; border
underground cable
line along which to cut something off; perforated line; dotted line
four-track rail line (two in each direction); quadruple railway track
stranded wire; strand wire; strand; stranded cable; stranded conductor; twisted wire
stranded wire; strand wire; strand; stranded cable; stranded conductor; twisted wire
to rule a line; to draw a line
uninsulated electrical wire; open-wire line; bare wire; bare conductor
fascicle; fiber bundle; fibre bundle
winding (coil, armature, etc.)
winding (coil, armature, etc.)
the Tropic of Capricorn
lingulate brachiopod (esp. species Lingula anatina)
cellulose; fibrin
pinewood nematode (Bursaphelenchus xylophilus)
pinewood nematode (Bursaphelenchus xylophilus)
across the tracks (of a bridge, etc.); over the tracks
sinusoid; sine curve
speed lines; lines drawn to represent motion
hidden line
Tropic of Cancer
chart (esp. stock market, commodity prices, etc.)
chart (esp. stock market, commodity prices, etc.)
calibration curve; standard curve; analytical curve
Plimsoll line; Plimsoll mark; load line
Plimsoll line; Plimsoll mark; load line
line of contact; no man's land
two-wire-system
dark-line (spectrum)
lines in operation
train derailment due to a concurrence of causes
anode ray; positive ray; canal ray
foot of a perpendicular line
spiral line; line vortex; vortex line; circumvolution
sheathing wire
printed circuit; printed wiring
International Commission on Radiological Protection; ICRP
wire diameter
power line; high current electrical line
weak electrical current line (e.g. intercom)
moderate line; middle-of-the-road line (in politics)
(taking) a flexible approach (to)
(adopting) a publicity (an advertising) policy; a propaganda line
(adopting) a popular line; (taking) a populist line
aberration; aberrant behavior; eccentric (erratic) behavior; indulging in an escapade
chain line; dot-dash line
software-defined radio; SDR
radio communication operator
boundary; edge; break line
molecular beam epitaxy; MBE
railway (railroad) maintenance personnel
alignment with the Western powers of America and Europe
(railway, bus, highway) route designed or designated to meet a specific problem; countermeasure program (policy)
linear interpolation; straight-line interpolation
radiation genetics; study of the effects of radiation on genes
nematomorph; horsehair worm; gordian worm; hair worm (any of the parasitic nematode-like worms of phylum Nematomorpha)
autumn rain front; fall rain front
linear mapping; linear map
linear mapping; linear map
Wallace's line (hypothetical line separating the Oriental and Australian zoogeographical regions)
twisted pair cable
twisted pair cable
metallic line; metallic circuit
hidden line removal; hidden line elimination
hidden line removal; hidden line elimination
communications line resale
line type; line classification
trunk coupling unit; trunk connecting unit; TCU
public line (as opposed to a private or leased line)
leased line; private circuit; private line
MDF; Main Division Frame
coordinate graphics; line graphics
IDF; Intermediate Division Frame
unshielded twisted pair; UTP
physical line; physical circuit
alignment line
source of radiation; radiation source
Arctic Circle (latitude)
Antarctic Circle (latitude)
logarithmic spiral; equiangular spiral
fibrodysplasia ossificans progressiva (disease of the connective tissue); FOP
isopleth; isogram; isoline; contour line; isarithm
pencil (of light rays)
mould room technician (radiology)
striation; streak line
printed wiring board; PWB
panoramic radiography; panoramic x-ray photography
line integral; path integral; contour integral; curve integral
five-line musical notation; Western musical notation based on the five-line staff
high-water mark; high-water line; high-water shoreline
Purkinje fibre; Purkinje fiber
radiation-induced polymerization; radiation polymerization
banana equivalent dose (of radiation); BED
fibroid; fibroid tumor; fibroid tumour
radial velocity; line-of-sight velocity
on the verge of starvation; at the point of starving
high-growth track; higher growth path
collagen fiber; collagen fibre
Koch curve; Koch snowflake; Koch island
air dose rate (esp. radioactivity)
low level radiation; low dose irradiation; low dose exposure
low level radiation; low dose irradiation; low dose exposure
ultra wideband radio; ultra-wide band; UWB; ultraband
cosmic-ray shower; cosmic ray air shower; air shower
acute radiation syndrome; ARS; acute radiation sickness
acute radiation syndrome; ARS; acute radiation sickness
radiation meter (e.g. Geiger counter); particle detector; radiation detector
corpus striatum; striatum
Northern Limit Line; North Limit Line; NLL; demarcation line in the Yellow Sea between North Korea and South Korea
isocheim; isochime; isochryme; map contour connecting points with the same mean winter temperature
line element
line synchronization
isogonic line; isogonal line
constant linear velocity; CLV
principal diagonal; main diagonal
stretch mark (caused by obesity); stria
radio call sign; radio call letters
radio operator
short-range wireless communication; near field communication; NFC
isobar; isopiestic line
zip fastener; zipper
cross-cut; crossline; transversal; transverse line
Distant Early Warning Line (US, Canada); DEW Line
fibrous capsule; tunica fibrosa
(cherry) blossom front; flower front
autumn foliage front; fall foliage front
linear motor; linear induction motor
Plimsoll line; load line; load waterline
linear polarization; linearly polarized light
rice noodle soup (Yunnan cuisine); (lit.) crossing-the-bridge noodles
nine-dash line (demarcation line of China's territorial claims in the South China sea); nine-dotted line
uncompleted (railway) line
planned (railway) line
coefficient of linear expansion
clothoid; Euler's spiral; Cornu's spiral
support line; support level; supporting wire; subsidiary wire
lower support level (esp. share prices); lower support line
Schneeberg Railway (cog railway)
Central line (London Underground)
Piccadilly line
Circle line (London Underground)
Northern line
Bernina railway
Albula Railway
Saint-Gervais–Vallorcine railway
Schafberg Railway
Mariazell Railway
Casparian strip
Leopolda railway
Ligne de Cerdagne
Barrie line
Ligne de Sceaux
Gold Coast railway line
Great Northern Railway (Mt Isa line)
Ipswich and Rosewood railway line
Manassas Line
North Coast railway line, New South Wales
Southern Line
Yunnan–Burma Railway
Main Line railway, Queensland
Examples (134 in total)
I felt her eyes on my back.
Everyone's eyes were fixed upon her.
They came by Route 17.