| a fool or simpleton; ninny. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| acetic acid | |
| —n | |
| glacial acetic acid See also vinegar Systematic name: ethanoic acid a colourless pungent liquid, miscible with water, widely used in the manufacture of acetic anhydride, vinyl acetate, plastics, pharmaceuticals, dyes, etc. Formula: CH3COOH | |
acetic acid a·ce·tic acid (ə-sē'tĭk)
n.
A clear, colorless organic acid with a distinctive pungent odor, the chief acid of vinegar, also used as a solvent. Also called ethanoic acid.
| acetic acid
A clear, colorless organic acid having a distinctive pungent odor. It is used as a solvent and in the manufacture of rubber, plastics, acetate fibers, pharmaceuticals, and photographic chemicals. Acetic acid is the chief acid of vinegar. Chemical formula: C2H4O2. |