(chemistry) Any compound derived from an oxoacid by replacing =O with =NR; they are tautomeric with amides.

(obsolete, chemistry) imidic acid / (organic chemistry) Any carboxylic acid having an imino substituent.

(chemistry) any carboxylic acid derived from a naphthene

(organic chemistry) azinic acid

(chemistry) any compound of general formula R-C(=NOH)NO

(chemistry) the acid H₂P(=O)OH, or any of its P-hydrocarbyl derivatives

(chemistry) the acid HP(OH)₂, or any of its P-hydrocarbyl derivatives

(chemistry) any derivative of glycerol in which one hydroxyl is esterified with phosphoric acid and the other two are esterified with fatty acids

(chemistry) the acid H₂POH, or any of its P-hydrocarbyl derivatives

(chemistry) the acid HP(=O)(OH)₂, or any of its P-hydrocarbyl derivatives