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| a double sulfate analogous to potassium alum, as aluminum ammonium sulfate, with the formula R2SO4?X2(SO4)3?24H2O, where R is alkali metal or ammonium |
| existing as free, uncombined atoms |
| tolyl (ˈtɒlɪl) | |
| —n | |
| 1. | (modifier) of, consisting of, or containing any of three isomeric groups, CH3C6H4-, derived from toluene: tolyl group or radical |
| 2. | (modifier) another word for benzyl Also: α-tolyl |
| [C19: from | |
| tolyl (tŏl'əl) Pronunciation Key
The group C7H7, derived from toluene. |