Columbia Encyclopedia

Search results

500 results found

formic acid

(Encyclopedia)formic acid or methanoic acid mĕthˌənōˈĭk [key], HCO2H, a colorless, corrosive liquid with a sharp odor; it boils at 100.7℃ and solidifies at 8.4℃. It has the lowest molecular weight and is ...

fumaric acid

(Encyclopedia)fumaric acid fyo͞omărˈĭk [key] or trans-butenedioic acid, HO2CCH=CHCO2H, unsaturated dicarboxylic acid that melts at 287℃. Maleic acid, or cis-butenedioic acid, is a geometric isomer of fumaric ...

gallic acid

(Encyclopedia)gallic acid or 3,4,5-trihydroxybenzoic acid trīˌhīdrŏkˈsēbĕnzōˈĭk [key], C6H2(OH)3CO2H, colorless crystalline organic acid found in gallnuts, sumach, tea leaves, oak bark, and many other pla...

gallotannic acid

(Encyclopedia)gallotannic acid gălˌōtănˈĭk [key]: see tannin. ...

folic acid

(Encyclopedia)folic acid: see coenzyme; vitamin. ...

acetylsalicylic acid

(Encyclopedia)acetylsalicylic acid əsētˌəlsălˌĭsĭlˈĭk [key], acetate ester of salicylic acid. See aspirin. ...

methanoic acid

(Encyclopedia)methanoic acid, IUPAC name for formic acid. ...

muriatic acid

(Encyclopedia)muriatic acid: see hydrogen chloride. ...

nucleic acid

(Encyclopedia)CE5 Replication of strands of DNA CE5 nucleic acid, any of a group of organic substances found in the chromosomes of living cells and viruses that play a central role in the storage and replica...

nicotinic acid

(Encyclopedia)nicotinic acid: see coenzyme; vitamin. ...