e·vap·o·rate (ĭ-vāp'ə-rāt') v. e·vap·o·rat·ed, e·vap·o·rat·ing, e·vap·o·rates v. tr.
[Middle English evaporaten, from Latin ēvapōrāre, ēvapōrāt- : ē-, ex-, ex- + vapor, steam.] e·vap'o·ra'tion n., e·vap'o·ra'tive adj., e·vap'o·ra'tive·ly adv., e·vap'o·ra·tiv'i·ty (-ərə-tĭv'ĭ-tē) n., e·vap'o·ra'tor n. |
evaporation e·vap·o·ra·tion (ĭ-vāp'ə-rā'shən)
n.
A change from liquid to vapor form.
Loss of volume of a liquid by conversion into vapor. Also called volatilization.
| evaporation (ĭ-vāp'ə-rā'shən) Pronunciation Key
The change of a liquid into a vapor at a temperature below the boiling point. Evaporation takes place at the surface of a liquid, where molecules with the highest kinetic energy are able to escape. When this happens, the average kinetic energy of the liquid is lowered, and its temperature decreases. |