evap·o·rate /ɪˈvæp(ə)ˌret/
 (vi.)蒸發,失去水分,消失(vt.)使蒸發
 evap·o·rate /ɪˈvæpəˌret/ 動詞
 使蒸發,使脫水,發射(電子)
 E·vap·o·rate v. i. [imp. & p. p. Evaporated p. pr. & vb. n. Evaporating ]
 1. To pass off in vapor, as a fluid; to escape and be dissipated, either in visible vapor, or in particles too minute to be visible.
 2. To escape or pass off without effect; to be dissipated; to be wasted, as, the spirit of a writer often evaporates in the process of translation.
    To give moderate liberty for griefs and discontents to evaporate . . . is a safe way.   --Bacon.
 E·vap·o·rate, v. t.
 1. To convert from a liquid or solid state into vapor (usually) by the agency of heat; to dissipate in vapor or fumes.
 2. To expel moisture from (usually by means of artificial heat), leaving the solid portion; to subject to evaporation; as, to evaporate apples.
 3. To give vent to; to dissipate. [R.]
    My lord of Essex evaporated his thoughts in a sonnet.   --Sir. H. Wotton.
 Evaporating surface Steam Boilers, that part of the heating surface with which water is in contact.
 E·vap·o·rate a.  Dispersed in vapors.
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 evaporate
      v 1: lose or cause to lose liquid by vaporization leaving a more
           concentrated residue; "evaporate milk" [syn: vaporize,
            vaporise]
      2: cause to change into a vapor; "The chemist evaporated the
         water" [syn: vaporise]
      3: change into a vapor; "The water evaporated in front of our
         eyes" [syn: vaporise]