precipitant

However, the appearance of the new arrival greatly modified the unfavorable impression produced by his precipitant action.

Given such a precipitant, the process of recovering the gold would be simple and cheap.

Boadicea was at their head,—a woman of masculine spirit, but precipitant, and without any military knowledge.

Certina Charley, plus an indeterminate quantity of alcohol, had acted upon Hal's mind as a chemical precipitant.

In other respects, however, it does not seem to be any more efficient as a precipitant.