triacetic acid tri·a·ce·tic acid (trī'ə-sē'tĭk)
n.
An acid formed during the synthesis of fatty acids.
| 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. |
| a chattering or flighty, light-headed person. |
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