Keyword
iron
Info
FrequencyTop 800-900
Type
Kyōiku (3rd grade) 
?
Shinjitai ?
KankenLevel 8
Heisig909
Old form
Readings
てつ
(64%)
てっ
(32%)
でっ
(1%)
Composed of
gold
permanent loss
Mnemonic

Gold which permanently lost its brilliance becomes iron.

Used in vocabulary (341 in total)
iron (Fe); strong and hard (as iron); railway; railway enthusiast
iron plate; steel plane; sure thing; certain winner
railroad; railway; rail transport
gun; wooden pole that wrestlers strike in practice; puffer fish
iron grill; iron grille; iron lattice; prison
iron wall; impregnable fortress; impregnable; invulnerable; unassailable
underground train; subway
made of iron
iron hammer; (fig.) crushing blow
steel frame; steel beam; steel girder
ironclad rule; inviolable rule; invariable principle; iron law
iron rod; iron bar; iron club; horizontal bar (gymnastics)
iron pipe; steel pipe; metal pipe
iron door
tightly clenched fist
iron railing or fence
water pistol; squirt gun; water gun
percussion hammer; firing hammer; cocking piece
lump of iron; iron ingot
steel tower; electricity pylon; transmission tower
railway bridge; iron bridge
impudence; shamelessness; brazenness; arrogance; audacity; effrontery
rebar; (iron) reinforcing bar; reinforcing steel; reinforced concrete
iron man; strong man
gunshot; bullet; lost messenger; truant messenger; bull's-eye (candy)
to crack down on (e.g. crime, corruption); to deal a crushing blow to; to bring down the hammer on
iron and steel
elbowing (someone); rejection; rebuff
iron (content)
reinforced concrete; ferroconcrete
private railway
iron manufacture
(punishment by) striking with fists
iron rust; iron hydroxide
iron-ribbed fan
blood and iron; military might
iron kettle
iron sand; magnetite sand
metal rod; metal bar; iron rod; iron club; iron staff with rings on top (traditionally used by night watchmen)
iron scraps
iron pot; iron pan
iron chain
reddish-black; iron blue
scrap iron
(barbed) wire entanglements
railroad corporation; railway company
electric railway
gambling den; gambling house
national railway; Japan National Railways (1949-1987)
iron (steel) wire; Chinese clematis; Clematis florida; leather flower
iron material
red-hot iron; gunfire; gambling; violent-tempered
like a pigeon who's been shot by a peashooter (i.e. wide-eyed in shock)
ironworks; steelworks
iron armor (armour); iron helmet
railroad; railway
short blade; small weapon; epigram; pithy saying
metal ring; metal hoop; trivet; train wheel; train
teppanyaki (Japanese cooking prepared on a hot steel plate in the center of the table)
railroad network; railroad system
armor; armour; armor plate; armour plate
(iron) dumbbells; (pair) of dumbbells
trigger (of a gun, etc.); trigger (for something); immediate cause
strike while the iron is hot
meteoric iron
high-speed rail; rapid (rail) transit
subway; tube; underground railroad; underground railway
trainspotter; railway enthusiast; railfan
iron core; iron will
trigger (of a gun, etc.); trigger (for something); immediate cause
tooth blackening; tooth-blackening dye
iron maiden (torture device)
iron pyrites; fool's gold; pyrite
wire mesh net; net made out of metal wire
railroad track; rail line
horse-drawn streetcar
gun; wooden pole that wrestlers strike in practice; puffer fish
scrap iron
wrought iron
railway station; train station
iron powder
sword that cuts iron
iron mask (worn by samurai)
iron hammer; (fig.) crushing blow
stylus; steel pen; stencil pen
impregnable castle (walls); impregnable; invulnerable; unassailable
sarin gas attack on the Tokyo subway (March 20, 1995)
sago cycad (Cycas revoluta); king sago palm; sago palm; Japanese sago palm
iron and stone; iron will
scrap iron
railway vehicle; railroad vehicle
tempering iron; forging steel; wrought iron
train buff; railway enthusiast; trainspotter; railfan
hammer; hopeless swimmer; complete beginner at swimming; someone who sinks like a stone
(medicinal) iron preparations
ironworking; ironworker
iron hammer; (fig.) crushing blow
steel manufactures; steel products; articles of iron or steel
narrow-gauge railway; light railway
gold and iron; firmness; adamancy
railroad operating over private tracks
armored ship; armoured ship
elbowing (someone); rejection; rebuff
metallophone; carillon; glockenspiel
to crack down on (e.g. crime, corruption); to deal a crushing blow to; to bring down the hammer on
vinegared rice and sliced raw tuna wrapped in seaweed
iron-barred window; prison; jail
popgun; origami popgun
rail transport (transportation, transit); transport by rail
railway police; railroad police
mendicant priest's begging bowl; (arch.) iron helmet
railway enthusiast who enjoys taking pictures of trains
armored horse; strong horse; wind chime; motorcycle
steel helmet
vinegared rice topped with sliced raw tuna
Teito Rapid Transit Authority subway; Eidan subway
(iron) dumbbells; (pair) of dumbbells
steel ship; ironclad
magnetite; lodestone; loadstone
scrap iron; scrap metal
iron-reinforced warships built by Oda Nobunaga
reinforced concrete construction
railway enthusiast who enjoys riding trains
iron workers shop; ironworks
gunshot; bullet; lost messenger; truant messenger; bull's-eye (candy)
iron-deficiency anemia; iron-deficiency anaemia
cable; wire rope; cableway
archerfish (any fish of family Toxotidae, esp. the banded archerfish, Toxotes jaculatrix)
to crack down on (e.g. crime, corruption); to deal a crushing blow to; to bring down the hammer on
steel maker; steel manufacturer
(electric) railroad company
iron glaze (pottery)
railroad construction work
no-fail joke; joke that gets people every time
to make a cutting remark; (lit.) to stab someone with a short blade
even the unskilled can succeed by a fluke given enough tries; (lit.) even a poor marksman will hit the target with enough shots
steel or iron dome
iron sulfate; ferrous sulfate; ferric sulfate
money; metal
wrought iron
longhorn beetle grub
railroad facility; railway equipment
bath with a metal pipe
slate gray unpatterned cloth
iron salt; ferric salt
Japanese National Railways (1949-1987)
railway police (Japan); Railway Police Force
Tieguanyin (variety of oolong tea)
elevated railroad; elevated railway
steel construction
aimless attempt; shot in the dark
Easter lily (Lilium longiflorum)
horseshoe coming off; throwing a shoe
railfan; rail fan; rail buff; train buff
even the unskilled can succeed by a fluke given enough tries; (lit.) even a poor marksman will hit the target with enough shots
teppanyaki (Japanese cooking prepared on a hot steel plate in the center of the table)
rectangular iron plate; iron tablet belonging to Yama that is inscribed with the names of souls to be sent to hell
iron overload; hyperferremia
dark steel blue
vinegared rice and sliced raw tuna wrapped in seaweed
galvanized sheet iron; galvanised sheet iron; galvanized sheet metal
tin plate
iron sulfide; iron sulphide
showing unyielding diligence in one's studies; (lit.) wearing a hole through one's metal inkstone from constant studying
dealing a hard (heavy, crushing) blow (to)
even the unskilled can succeed by a fluke given enough tries; (lit.) even a poor marksman will hit the target with enough shots
miso, fried soybeans and vegetables seasoned with sake and sugar
iron containing less than 0.04% carbon
martial art based on the use of the iron fan
arsenopyrite; mispickel; arsenical pyrite
private railway
farrier; horseshoer; blacksmith
completely deaf
tooth blackening
striker (triangular piece of steel used with flint to create sparks)
magnetite; lodestone; loadstone
railway enthusiast who enjoys riding trains
boiled fugu dish (served with ponzu dipping sauce)
snapping shrimp (Alpheus brevicristatus); pistol prawn
snapping shrimp (Alpheus brevicristatus); pistol prawn
a gossip; night watchman
Calopteryx atrata (species of damselfly)
fugu sashimi
Calopteryx atrata (species of damselfly)
ostrich fern (Matteuccia struthiopteris)
(arch.) metallic; cutting edge of a bladed instrument
railfan; rail fan; rail buff; train buff
shortawn foxtail (Alopecurus aequalis)
slag; dross; iron rust
reinforced concrete; ferroconcrete
armor plate; armour plate
steel-frame construction work
aqueous iron rust
railway frog
gunmakers guild
galvanized iron; galvanised iron
cable railway; funicular railway
limonite; brown hematite
strong push with only one hand
pushing against the wooden pole in practice
aimless attempt; shot in the dark; crapshot
potassium ferrocyanide; potassium ferricyanide
steel-framed reinforced concrete construction
iron yeast; iron-enriched yeast
carpenter's square
iron arrow-head (from the Yayoi and Kofun periods)
Tiele people; a Central Asian Turkic people
to make a cutting remark; (lit.) to kill someone with a short blade
sideroblastic anemia; sideroblastic anaemia
salad of minced Welsh onions, seafood, and vinegared miso
deferrization; iron removal (using a magnet, etc.)
chalybeate spring; ferruginous spring; iron spring; hot spring with high iron content
mother who is interested in trains
Adam's ale; tap water
iron hydroxide; ferrous hydroxide; ferric hydroxide
metal bowl; iron helmet
non-ferrous
lepidocrocite; esmeraldite
teppeiseki stone; platy andesite; flagstone; dark blue or purple stone, esp. used in paving or gardens
metal fork (used to poke a fire)
elevated railway; overhead railway
steel-frame construction; steel structure
toroidal core; endless core
composite vessel construction (wood, iron, etc.)
form of torture in which molten lead is poured over the victim's back
doing something without having decided what one's goal for it is; (lit.) a rifle in the dark
heme iron
comet goldfish
kurogane holly (Ilex rotunda)
Japanese holly fern (Crytomium fortunei)
Nippon maple (Acer nipponicum)
Examples (116 in total)
Is it made of iron?
Iron transmits heat well.
Iron is hard.