资料来源 : pyDict

倒栽葱的,勇往直前的,火急的沈淀剂

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Precipitant \Pre*cip"i*tant\, a. [L. praecipitans, -antis, p.
   pr. of praecipitare: cf. F. pr['e]cipitant. See
   {Precipitate}.]
   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.

Precipitant \Pre*cip"i*tant\, n. (Chem.)
   Any force or reagent which causes the formation of a
   precipitate.

资料来源 : WordNet®

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