an agent that causes a precipitate to form
precipitant (n.)
done with very great haste and without due deliberation; hasty marriage seldom proveth well- Shakespeare; hasty makeshifts take the place of planning- Arthur Geddes; rejected what was regarded as an overhasty plan for reconversion; wondered whether they had been rather precipitate in deposing the king
[ Syn: hasty , overhasty , precipitate , precipitous ]