• (a.) Unexpectedly or foolishly brought on or hastened; rashly hurried; hasty; sudden; reckless. • (a.) Falling or rushing headlong; rushing swiftly, violently, or recklessly; moving precipitately. • (n.) Any force or reagent which causes the formation of a precipitate. Found on http://thinkexist.com/dictionary/meaning/precipitant/
Pre·cip'i·tant adjective [ Latin praecipitans , -antis , present participle of praecipitare : confer French précipitant . See Precipitate .] 1. Falling or rushing headlong; rushing swiftly, violently, or recklessly; moving precipitately. « They leav... Found on http://www.encyclo.co.uk/webster/P/144
precipitant 1. A substance which causes a chemical or mechanical precipitation. 2. An agent that causes a precipitate to form. 3. Done with very great haste and without due deliberation. 4. Done too quickly and impulsively, often resulting in mistakes. Found on http://www.wordinfo.info/words/index/info/view_unit/1744/3