Keyword
acid
Info
FrequencyTop 1500-1600
Type
Kyōiku (5th grade) 
?
KankenLevel 6
Heisig1545
Readings
さん
(74%)
す
(16%)
ず
(9%)
Composed of
sign of the bird
license to go
Used in vocabulary (933 in total)
oxygen (O)
sweet and sour; bittersweet (feeling)
sourness; acidity
sour; acid
acid; sourness; sour taste
carbonic acid; carbonated water; carbonated drink; baking soda; sodium carbonate
oxygen deficiency; oxygen shortage; lack of oxygen
carbonated water; sparkling water; fizzy water; soda water
carbonated drink; fizzy drink; soda
oxidation; oxidization
sulfuric acid; sulphuric acid
acidity; acidic
hydrocyanic acid; prussic acid; hydrogen cyanide
to be disgusted; to be repulsed; to get the creeps
oxygen cylinder
sour; acid
appalling; awful; horrible; horrifying; ghastly
potassium cyanide
stomach acid; gastric acid
to say time and time again; to say till you're blue in the face
to undergo many hardships; to taste the bitters of life
hardships; privation
hydrochloric acid
to repeatedly admonish; to tell over and over
carbonic acid gas; carbon dioxide; CO2
lactic-acid bacilli
citric acid
to undergo many hardships; to taste the bitters of life
to undergo many hardships; to taste the bitters of life
aerobic exercise; cardio exercise
without oxygen; anaerobic; anoxia; hypoxia
sulfur dioxide; sulphur dioxide
acetic acid
oxygen deficiency; anoxia; hypoxia
hyaluronic acid; hyaluronan
to be experienced in the ways of the world; to taste the bitter and the sweet
calcium carbonate (CaCO3)
nucleic acid
fermented milk drink (e.g. Yakult, Calpis, Calpico); lactic fermenting beverage
phosphoric acid
concentrated sulfuric acid; concentrated sulphuric acid
ground cherry (Physalis alkekengi var. franchetii); husk tomato; Chinese lantern plant; children's noisemaking toy
silver nitrate; AgNO3
hypoxic encephalopathy (brain damage from lack of oxygen)
formic acid; formic
boric acid
reactive oxygen (i.e. free radicals, which can be destructive at high concentrations)
oxidizing agent; oxidant; oxidizer
H2O2; hydrogen peroxide
stomach acid that flows backwards into the mouth (due to acid reflux)
sweetness and bitterness; joys and sorrows
acetone peroxide; triacetone triperoxide; peroxyacetone; TATP; TCAP
trans-fatty acid; trans-fatty acids; trans fat; trans fats
to say the same thing over and over again; to talk until one is blue in the face
eosinophil; eosinophile; acidophil; acidophile; eosinophilic leukocyte; acidophilic leukocyte
phenol; carbolic acid
inosinic acid
deoxyribo nucleic acid; DNA
formic acid; formic
potassium carbonate; potash
aluminum oxide (Al2O3); aluminium oxide; alumina
carbonated spring; soda spring
dinitrogen monoxide; nitrous oxide
vinegar
potassium nitrate; saltpeter
to be experienced in the ways of the world; to taste the bitter and the sweet
silicic acid; silica; silicon dioxide
silicon dioxide; silica
oxalic acid
aerobic; with oxygen
calcium hydroxide (Ca(OH)2)
docosahexaenoic acid; DHA
magnesium carbonate (MgCO3)
lactic fermentation; lactic acid fermentation
sodium carbonate; soda ash
(degree of) acidity
magnesium oxide (MgO); magnesia
sulfurous acid; sulphurous acid
silicon dioxide; silica
butyric acid
to dilute with soda
sulphurous acid gas; sulfurous acid gas; sulphur dioxide gas; sulfur dioxide gas
adenosine triphosphate; ATP
linoleic acid
linolenic acid
arsenious acid; arsenous acid (H3AsO3); arsenic trioxide; white arsenic (As2O3)
dilute sulfuric acid; dilute sulphuric acid
arachidonic acid
lead acetate (i.e. plumbic acetate, plumbous acetate)
calcium phosphate (Ca3(PO4)2)
magnesium sulfate; magnesium sulphate
methylphosphonic acid; methylphosphonate
manganese dioxide (MnO2)
sodium sulfate; sodium sulphate
eicosapentaenoic acid; EPA
acid-resistant
iron sulfate; ferrous sulfate; ferric sulfate
calcium sulfate (CaSO4) (sulphate)
acidification
dilute hydrochloric acid
salicylic acid
monosodium glutamate; MSG; sodium glutamate
calcium oxide (CaO)
acetobacter; acetic acid bacteria
anti-acid preparation
disastrous; tragic; miserable; wretched; pitiful; woeful
acetylsalicylic acid; aspirin
aluminium hydroxide (aluminum)
hydrogencarbonate; bicarbonate
ribonucleic acid; RNA
arsenious acid; arsenous acid (H3AsO3); arsenic trioxide; white arsenic (As2O3)
sodium silicate (Na2SiO3)
acid and alkali
copper oxide (i.e. cuprous oxide, cupric oxide)
glacial acetic acid
garden sorrel (Rumex acetosa); cock sorrel; sour dock
selenic acid
sulphur oxide; sulfur oxide
carboxylic acid
tannic acid; tannin
pyruvic acid; pyruvate
mevalonic acid
permanganate acid
barium sulfate (BaSO4) (sulphate)
wafer cracker made with carbonated water
phosphoric acid
sourness (in taste); acidity
nicotinic acid
hyperuricemia (increased levels of uric acid in the blood)
hydroxyl group (radical)
oxidizing flame
hot and sour soup
oxidation-reduction reaction; redox reaction
chlorogenic acid
thiocyanic acid
deoxidation; deoxidization; deacidification
oxygenated; oxygen
succinic acid
pantothenic acid
to be experienced in the ways of the world; to taste the bitter and the sweet
butyric acid producing bacillus (Clostridium butyricum)
cyanic acid
alpha-linolenic acid; ALA
adenosine triphosphate; ATP
chloroacetic acid
thiosulphuric acid; thiosulfuric acid
mixed acid (esp. of sulphuric acid and nitric acid)
silicic acid; silica; silicon dioxide
acidulant; acidity regulator
monoamine oxidase inhibitor; MAO inhibitor; MAOI
metasilicic acid
potassium bitartrate; potassium hydrogen tartrate; cream of tartar
dilute hydrochloric acid
zinc sulfate (ZnSO4) (sulphate)
arsenic trioxide; white arsenic (As2O3); arsenic pentoxide (As2O5)
aluminum sulfate (Al2(SO4)3); aluminium sulphate
nucleic acid amplification test; NAT
carbon assimilation; carbon fixation
bichromic acid; dichromic acid
barium oxide (BaO)
titanic acid
barium titanate (BaTiO3)
pyrophosphoric acid
peracetic acid; peroxyacetic acid
carbon assimilation; carbon fixation
atmospheric oxidation; oxidation upon exposure to the air; air oxidation; smoothering
stannous oxide (SnO); stannic oxide (SnO2)
sulfur dioxide; sulphur dioxide
dilute sulfuric acid; dilute sulphuric acid
phosphate fertilizer; phosphate fertiliser
dilute nitric acid
lead monoxide; lead(II) oxide
sulfonic acid
oxidation number
pickling; soaking a metal in an acidic solution to remove impurities
baking soda; sodium bicarbonate
gibberellic acid
whelk egg case; egg capsule of a gastropod
suffering in poverty; abject poverty
octanoic acid; octoic acid; caprylic acid
fulminic acid
phosphonic acid (H3PO3); phosphorous acid
sourness (in taste); acidity
propionic acid; propanoic acid
nitrogen oxide (esp. nitric oxide, but also nitrous oxide, nitrogen dioxide, dinitrogen pentoxide, etc.)
gooseberry; currant; plants from the Ribes genus
acid-fast bacterium
gluconic acid
phthalic acid
persulphuric acid; persulfuric acid
acetic acid
cutleaf groundcherry (Physalis angulata)
wafer cracker made with carbonated water
type of poisonous cockroach bait
guanylic acid
chromium oxide (esp. Cr2O3 and CrO3)
hydroacid; hydracid; non-oxygenous acid
codeine phosphate
acid content
oxygen absorber; oxygen scavenger; small packet placed in packaged food to absorb oxygen and prevent oxidation
chlorosulfonic acid; chlorosulphonic acid; chlorosulfuric acid; chlorosulphuric acid
Chromium(III) sulfate
sourness; acidity
Japanese plum (Prunus salicina); Chinese plum
silicic acid; silica; silicon dioxide
silicic acid; silica; silicon dioxide
Toringo crabapple (Malus sieboldii)
sulfur dioxide; sulphur dioxide
boric acid
creeping woodsorrel (Oxalis corniculata); family crest shaped like creeping woodsorrel
creeping woodsorrel (Oxalis corniculata); family crest shaped like creeping woodsorrel
chromic acid
malonic acid
sudachi (species of Japanese citrus, Citrus sudachi)
blackcurrant (Ribes nigrum)
uronic acid
arsenic acid
arsenic acid
redcurrant (Ribes rubrum); red currant
barbituric acid
sialic acid
cholic acid
calcium phosphate (Ca3(PO4)2)
sorrel (Rumex acetosa); Common sorrel; garden sorrel; spinach dock
regional pickle of Kyoto made from a turnip-like vegetable
sodium silicate (Na2SiO3)
superphosphate
glacial acetic acid
oxidizing flame
keto acid; oxoacid
alpha-linolenic acid; ALA
alpha-linolenic acid; ALA
erucic acid
arsenic trioxide; white arsenic (As2O3); arsenic pentoxide (As2O5)
metasilicic acid
shikimic acid
peroxide value (e.g. of a lipid test)
colossal squid (Mesonychoteuthis hamiltoni)
phosphate fertilizer; phosphate fertiliser
pyrophosphoric acid
black nightshade (Solanum nigrum)
baking soda; sodium bicarbonate
phosphonic acid (H3PO3); phosphorous acid
peroxy acid; peracid
acid fertilizer; acid fertiliser
acid radical
atrocity; cruelty; brutality
pyrosulphuric acid; pyrosulfuric acid
hyposulphurous acid; hyposulfurous acid
hydroxyl group; hydroxyl radical
amino-acid fermentation
ethacrynic acid
capric acid; decanoic acid
guanosine triphosphate; GTP
guanosine triphosphate; GTP
glucuronic acid
ketonic acid
cytidylic acid
dicarboxylic acid
terephthalic acid
tricarboxylic acid cycle; TCA cycle
benzene-sulfonic acid
phosphinic acid
phosphonic acid
polyvinyl acetate; PVAC
polyphosphoric acid
polyphosphoric acid
methacrylic acid
metaphosphoric acid
monocarboxylic acid
superphosphate of lime; calcium superphosphate
superphosphate of lime; calcium superphosphate
mixed plutonium and uranium oxides fuel; MOX
acid reflux; heart-burn
acid reflux; heart-burn
hardships and joys; tasting the sweets and bitters of life; being well-versed in the ways of the world (having seen much of life)
(European) gooseberry (Ribes uva-crispa)
blackcurrant (Ribes nigrum)
cultivated currant (Ribes altissimum)
irinotecan hydrochloride (anti-cancer drug)
monkey flower (plant); mimulus (plant) (Mimulus nepalensis var. japonicus)
plant native to eastern Russia and Hokkaido (Mimulus sessilifolius Maxim. p)
mercurous oxide (Hg2O); mercuric oxide (HgO)
barium hydroxide; baryta
arsenic trioxide; white arsenic (As2O3)
arsenic trioxide; white arsenic (As2O3)
potassium dichromate (K2Cr2O7)
potassium dichromate (K2Cr2O7)
potassium dichromate-sulfuric acid solution
lead chromate (PbCrO4)
chromic anhydride (CrO3)
calcium acetate (C4H6O4Ca)
potassium ferrocyanide; potassium ferricyanide
adenosine diphosphate; ADP
adenosine diphosphate; ADP
Bacillus coagulans, species of lactic acid-forming Bacillus bacteria
winter cherry (Physalis alkekengi)
monosodium glutamate; MSG
pilsicainide hydrochloride (anti-arrhythmic drug)
gamma-aminobutyric acid (GABA)
gamma-aminobutyric acid (GABA)
Lewis acids and bases
lipoic acid
adenosine monophosphate (AMP)
adenosine monophosphate (AMP)
adenylate cyclase; adenyl cyclase
fumaric acid
ethylenediaminetetraacetic acid; EDTA
ricinoleic acid
thionic acid
isonicotinic acid hydrazide
oxygen transmission rate; OTR
dilute acid
dilute acid
lead dioxide; lead(IV) oxide
gamma linolenic acid; GLA
nordihydroguaiaretic acid; NDGA
nordihydroguaiaretic acid; NDGA
nordihydroguaiaretic acid; NDGA
quinapril hydrochloride
dichromic acid; bichromic acid
zirconium oxide; zirconia
acid value
racemic acid
adenylic acid
baking soda; bicarbonate of soda
chlorendic acid
nitrate bacteria; nitrate-forming bacteria
dipotassium glycyrrhizate; dipotassium glycyrrhizinate
arginine phosphoric acid
itaconic acid
clupanodonic acid
ethylenediaminetetraacetic acid; EDTA
chloroplatinic acid; hexachloroplatinic acid
xanthogenic acid; xanthic acid
thioctic acid; lipoic acid
monocalcium phosphate; monobasic calcium phosphate
acid-free paper; archival paper
iron hydroxide; ferrous hydroxide; ferric hydroxide
hydrofluoric acid
hydrofluoric acid
levulinic acid
mineral acid; inorganic acid
oxygen family element; chalcogen
(induced) oxygenation; treatment with oxygen
sulfation; sulphation
nitric ester; nitrate
trichloroacetic acid; TCA; TCAA
Oceanic Anoxic Event; Ocean Anoxic Event; OAE
antimonious acid; antimonous acid
borosilicic acid
mineral acid; inorganic acid
mineral acid; inorganic acid
nontuberculous mycobacterial infection; nontuberculous mycobacteriosis
coumaric acid
hot and sour noodles (Szechuan dish)
polylactic acid; polylactide
icosapentaenoic acid; eicosapentaenoic acid
carbon fixation; carbon assimilation
tooth erosion; acid erosion; chemical abrasion
phytic acid; phytate
free fatty acid; unesterified fatty acid
oxygen content (of air)
fulminating compound; fulminate
acetonic acid; acetone acid
teichoic acid
peroxyacetic acid; peracetic acid
nipecotic acid
lactobacillus preparation; probiotic medicine containing lactobacillus
decanoic acid; decylic acid; capric acid
caprylic acid; octanoic acid
aluminum sulfate; aluminium sulphate
aluminum sulfate; aluminium sulphate
aluminum sulfate; aluminium sulphate
aluminum sulfate; aluminium sulphate
puberulic acid
hypophosphorous acid
cork acid; suberic acid
melissic acid
methylsulfonic acid
mesitonic acid
methanoic acid
aminolevulinic acid
orthoboric acid
orthosilicic acid
waste acid; spent acid
behenic acid; docosanoic acid
benzilic acid
valeric acid; pentanoic acid
vanillic acid
galacturonic acid
heneicosylic acid
glyoxylic acid; glyoxalic acid; oxyacetic acid
glutaric acid; pentanedioic acid
homovanillic acid
dithionic acid
diphosphoric acid
diphosphoric acid
dichloroacetic acid
ibotenic acid
isonicotinic acid
isophthalic acid
cacodylic acid
cinnamic acid
carminic acid
kynurenic acid
croconic acid
crotonic acid
margaric acid; heptadecanoic acid
mellitic acid
metaboric acid
methylmalonic acid
mandelic acid
mugineic acid
neuraminic acid
nervonic acid
orthocarbonic acid
pelargonic acid
performic acid
perbenzoic acid; peroxybenzoic acid
picolinic acid
protocatechuic acid
thioacetic acid
phytanic acid
hypophosphorous acid
quinic acid
cyanuric acid
ellagic acid
enanthic acid
aceturic acid
valeric acid; pentanoic acid
berberonic acid
decenoic acid
decenoic acid
decylic acid
hydrocyanic acid; prussic acid; hydrogen cyanide
thermal oxidation
sodium metabisulfite; sodium pyrosulfite
arachidic acid; eicosanoic acid; arachic acid
cerotic acid; hexacosanoic acid
citraconic acid; methylmaleic acid
montanic acid
citronellic acid; rhodinic acid
rhodinic acid; rosin acid
glutaconic acid
hexanoic acid
hemimellitic acid
Caro's acid
niobic acid
quinolinic acid
Koch's acid
paraconic acid
penicillic acid
pentanoic acid
pyromellitic acid
santonic acid
hypercapnia; hypercarbia; hypercapnemia
hypercapnia; hypercarbia; hypercapnemia
hypercapnia; hypercarbia; hypercapnemia
solution of carbolic acid
hypoxic state; oxygen-deficient state
glycidic acid
lampshell (excluding the lingulate brachiopods); lamp shell
common plum (Prunus domestica); European plum
common bilberry (Vaccinium myrtillus); blue whortleberry; European blueberry; bilberry; whortleberry; blueberry
Examples (63 in total)
Without oxygen, all animals would have disappeared long ago.
He died from lack of oxygen.
We can't live without oxygen.