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Results from the Longman Dictionary of Contemporary English:
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acid
1
noun
CHEMISTRY
DRUG CULTURE
acid
2
adjective
TASTES
acetic acid
noun
FOOD
acid house
noun
MUSIC
acid jazz
noun
acid rain
noun
ENVIRONMENT AND WASTE
amino acid
noun
BIOLOGY
carbolic acid
noun
COMPOUNDS
citric acid
noun
FOOD
CHEMISTRY
fatty acid
noun
NUTRITION
BIOLOGY
CHEMISTRY
folic acid
noun
HUMAN
DRUGS, MEDICINES
hydrochloric acid
noun
COMPOUNDS
lactic acid
noun
NUTRITION
BIOLOGY
CHEMISTRY
nitric acid
noun
CHEMISTRY
nucleic acid
noun
BIOLOGY
MICROBES, GENETICS, BIOCHEM
CHEMISTRY
prussic acid
noun
CHEMISTRY
sulfuric acid
sulphuric acid
noun
CHEMISTRY
tannin
noun
CHEMISTRY
tartaric acid
noun
CHEMISTRY