n. [ L. convectio, fr. convehere to bring together; con- + vehere to carry. ] 1. The act or process of conveying or transmitting. [ 1913 Webster ]
2. (Physics) A process of transfer or transmission, as of heat or electricity, by means of currents in liquids or gases, resulting from changes of temperature and other causes. [ 1913 Webster ]
Liquids are generally heated by convection -- when heat is applied from below. Nichol. [ 1913 Webster ]
Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Convection \Con*vec"tion\, n. [L. convectio, fr. convehere to
bring together; con- + vehere to carry.]
1. The act or process of conveying or transmitting.
[1913 Webster]
2. (Physics) A process of transfer or transmission, as of
heat or electricity, by means of currents in liquids or
gases, resulting from changes of temperature and other
causes.
[1913 Webster]
Liquids are generally heated by convection -- when
heat is applied from below. --Nichol.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
convection
n 1: the transfer of heat through a fluid (liquid or gas) caused
by molecular motion
2: (meteorology) the vertical movement of heat or other
properties by massive motion within the atmosphere
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