pre·cip·i·tant /-tənt/
 (a.)倒栽蔥的,勇往直前的,火急的沈澱劑
 pre·cip·i·tant /prɪˈsɪpətənt/ 名詞
 沉降劑,沉澱劑,脫溶物,頭朝下的,倒落的,很快落下的,猛衝的,輕率的,突然的
 Pre·cip·i·tant a.
 1. Falling or rushing headlong; rushing swiftly, violently, or recklessly; moving precipitately.
 They leave their little lives
 Above the clouds, precipitant to earth.   --J. Philips.
 Should he return, that troop so blithe and bold,
 Precipitant in fear would wing their flight.   --Pope.
 2. Unexpectedly or foolishly brought on or hastened; rashly hurried; hasty; sudden; reckless. --Jer. Taylor. “Precipitant rebellion.” --Eikon Basilike.
 Pre·cip·i·tant, n. Chem. Any force or reagent which causes the formation of a precipitate.
 ◄ ►
 precipitant
      adj : 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]
      n : an agent that causes a precipitate to form