| propylene glycol | |
| —n | |
| Systematic name: 1,2-dihydroxypropane a colourless viscous hydroscopic sweet-tasting compound used as an antifreeze and brake fluid. Formula: CH3CH(OH)CH2OH | |
| 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 children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| propylene glycol
A colorless, viscous liquid used in antifreeze solutions, in hydraulic fluids, and as a solvent. Unlike ethylene glycol, it is not toxic and is also used in foods, cosmetics, and oral hygiene products. Chemical formula: C3H8O2. |