Keyword
acid
Info
FrequencyTop 1500-1600
Type
Kyōiku (5th grade) 
?
KankenLevel 6
Heisig1545
Readings
さん
(75%)
(16%)
(8%)
Composed of
sign of the bird
license to go
Used in vocabulary (704 in total)
oxygen (O)
sweet and sour; bittersweet
sourness; acidity
sour; acid
acid; sourness; sour taste
carbonic acid; carbonated water; baking soda; sodium carbonate
oxygen deficiency; oxygen shortage; lack of oxygen
hardships; privation
oxidation; oxidization
sulfuric acid; sulphuric acid
acidity; acidic
to be disgusted; to be repulsed; to get the creeps
appalling; awful; extreme pain; deep sorrow
potassium cyanide
sour; acid
stomach acid; gastric acid
oxygen cylinder
hydrocyanic acid; prussic acid; hydrogen cyanide
to say time and time again; to say till you're blue in the face
to repeatedly admonish; to tell over and over
hydrochloric acid
carbonic acid gas; carbon dioxide; CO2
lactic-acid bacilli
citric acid
without oxygen; anaerobic; anoxia; hypoxia
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
sweetness and bitterness; joys and sorrows
ground cherry (Physalis alkekengi var. franchetii); husk tomato; Chinese lantern plant; children's noisemaking toy
nucleic acid
concentrated sulfuric acid; concentrated sulphuric acid
heartburn; strong sense of disgust
phosphoric acid (H3PO4)
H2O2; hydrogen peroxide
formic acid; formic
silver nitrate; AgNO3
reactive oxygen (i.e. free radicals, which can be destructive at high concentrations)
calcium carbonate (CaCO3)
fermented milk drink (e.g. Yakult, Calpis, Calpico); lactic fermenting beverage
oxidizing agent; oxidant; oxidizer
eosinophil; eosinophile; acidophil; acidophile; eosinophilic leukocyte; acidophilic leukocyte
inosinic acid
to say the same thing over and over again; to talk until one is blue in the face
formic acid; formic
phenol; carbolic acid
deoxyribo nucleic acid; DNA
aluminum oxide (Al2O3); aluminium oxide; alumina
silicon dioxide (SiO2); silica
potassium carbonate; potash
carbonated spring; soda spring
sodium carbonate (Na2CO3)
potassium nitrate; saltpeter
boric acid
silicic acid
adenosine triphosphate; ATP
oxalic acid
aerobic; with oxygen
sulfurous acid; sulphurous acid
docosahexaenoic acid; DHA
lactic fermentation; lactic acid fermentation
vinegar
to be experienced in the ways of the world; to taste the bitter and the sweet
hypoxic encephalopathy (brain damage from lack of oxygen)
linoleic acid
linolenic acid
arsenious acid; arsenous acid (H3AsO3); arsenic trioxide; white arsenic (As2O3)
arachidonic acid
magnesium carbonate (MgCO3)
dilute sulfuric acid; dilute sulphuric acid
acetone peroxide; triacetone triperoxide; peroxyacetone; TATP; TCAP
lead acetate (i.e. plumbic acetate, plumbous acetate)
manganese dioxide (MnO2)
to dilute with soda
calcium hydroxide (Ca(OH)2)
magnesium sulfate (MgSO4) (sulphate)
methylphosphonic acid; methylphosphonate
carbon oxide; hypercapnia; hypercarbia; hypocapnia
acid-resistant
sodium sulfate; sodium sulphate
butyric acid
eicosapentaenoic acid; EPA
calcium sulfate (CaSO4) (sulphate)
magnesium oxide (MgO); magnesia
(degree of) acidity
calcium phosphate (Ca3(PO4)2)
iron sulfate; ferrous sulfate; ferric sulfate
salicylic acid
acidification
acetobacter; acetic acid bacteria
trans-fatty acid; trans-fatty acids; trans fat; trans fats
silicon dioxide (SiO2); silica
acetylsalicylic acid; aspirin
monosodium glutamate; MSG; sodium glutamate
sulphurous acid gas; sulfurous acid gas; sulphur dioxide gas; sulfur dioxide gas
calcium oxide (CaO)
anti-acid preparation
disastrous; tragic; miserable; wretched; pitiful; woeful
dilute hydrochloric acid
aluminium hydroxide (aluminum)
arsenious acid; arsenous acid (H3AsO3); arsenic trioxide; white arsenic (As2O3)
acid and alkali
ribonucleic acid; RNA
selenic acid
pyruvic acid; pyruvate
tannic acid; tannin
carboxylic acid
glacial acetic acid
barium sulfate (BaSO4) (sulphate)
sulfur dioxide; sulphur dioxide
garden sorrel (Rumex acetosa); cock sorrel; sour dock
nicotinic acid
copper oxide (i.e. cuprous oxide, cupric oxide)
sulphur oxide; sulfur oxide
butyric acid producing bacillus (Clostridium butyricum)
succinic acid
deoxidation; deacidification
chlorogenic acid
sodium silicate (Na2SiO3)
phosphoric acid (H3PO4)
pantothenic acid
hydroxyl group (radical)
thiocyanic acid
to be experienced in the ways of the world; to taste the bitter and the sweet
acidulant; acidity regulator
sourness (in taste); acidity
aluminum sulfate (Al2(SO4)3); aluminium sulphate
barium oxide (BaO)
carbon assimilation; carbon fixation
oxygenated; oxygen
cyanic acid
dilute hydrochloric acid
hyperuricemia (increased levels of uric acid in the blood)
alpha-linolenic acid; ALA
monoamine oxidase inhibitor; MAO inhibitor; MAOI
barium titanate (BaTiO3)
zinc sulfate (ZnSO4) (sulphate)
silicic acid
arsenic trioxide; white arsenic (As2O3); arsenic pentoxide (As2O5)
mixed acid (esp. of sulphuric acid and nitric acid)
potassium bitartrate; potassium hydrogen tartrate; cream of tartar
sulfur dioxide; sulphur dioxide
acid-fast bacterium
baking soda; sodium bicarbonate
propionic acid; propanoic acid
phosphate fertilizer; phosphate fertiliser
chromium oxide (esp. Cr2O3 and CrO3)
dilute sulfuric acid; dilute sulphuric acid
adenosine triphosphate; ATP
whelk egg case; egg capsule of a gastropod
Chromium(III) sulfate
gooseberry; currant; plants from the Ribes genus
bichromic acid; dichromic acid
nitrogen oxide (esp. nitric oxide, but also nitrous oxide, nitrogen dioxide, dinitrogen pentoxide, etc.)
acetic acid
dilute nitric acid
carbon assimilation; carbon fixation
pickling; soaking a metal in an acidic solution to remove impurities
guanylic acid
lead monoxide; lead(II) oxide
zirconium oxide; zirconia
gibberellic acid
chromic acid
phthalic acid
atmospheric oxidation; oxidation upon exposure to the air; air oxidation; smoothering
oxygen absorber; oxygen scavenger; small packet placed in packaged food to absorb oxygen and prevent oxidation
thiosulphuric acid; thiosulfuric acid
pyrophosphoric acid
sulfonic acid
persulphuric acid; persulfuric acid
suffering in poverty; abject poverty
type of poisonous cockroach bait
oxidation number
chlorosulfonic acid; chlorosulphonic acid; chlorosulfuric acid; chlorosulphuric acid
hot and sour soup
titanic acid
sourness; acidity
Japanese plum (Prunus salicina); Chinese plum
silicic acid
Toringo crabapple (Malus sieboldii)
creeping woodsorrel (Oxalis corniculata); family crest shaped like creeping woodsorrel
creeping woodsorrel (Oxalis corniculata); family crest shaped like creeping woodsorrel
malonic acid
boric acid
sudachi (species of Japanese citrus, Citrus sudachi)
blackcurrant (Ribes nigrum)
uronic acid
arsenic acid
arsenic acid
redcurrant (Ribes rubrum); red currant
sorrel (Rumex acetosa); Common sorrel; garden sorrel; spinach dock
sialic acid
cholic acid
barbituric acid
calcium phosphate (Ca3(PO4)2)
sulfur dioxide; sulphur dioxide
acid reflux; heart-burn
acid reflux; heart-burn
glacial acetic acid
superphosphate
sodium silicate (Na2SiO3)
keto acid; oxoacid
arsenic trioxide; white arsenic (As2O3); arsenic pentoxide (As2O5)
sourness (in taste); acidity
alpha-linolenic acid; ALA
alpha-linolenic acid; ALA
black nightshade (plant) (Solanum nigrum)
pyrophosphoric acid
phosphate fertilizer; phosphate fertiliser
sodium bicarbonate; baking soda
acid fertilizer; acid fertiliser
phosphonic acid (H3PO3); phosphorous acid
phosphonic acid (H3PO3); phosphorous acid
acid radical
atrocity; cruelty; brutality
pyrosulphuric acid; pyrosulfuric acid
hyposulphurous acid; hyposulfurous acid
hydroxyl group; hydroxyl radical
amino-acid fermentation
ethacrynic 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
dinitrogen monoxide; nitrous oxide
superphosphate of lime; calcium superphosphate
superphosphate of lime; calcium superphosphate
mixed plutonium and uranium oxides fuel; MOX
hardships and joys; tasting the sweets and bitters of life; (having seen much of life) being well-versed in the ways of the world
(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
stannous oxide (SnO); stannic oxide (SnO2)
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
codeine phosphate
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
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
gluconic 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
metasilicic acid
metasilicic acid
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
peracetic acid; peroxyacetic 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
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.