- convection (n.)
[convection 词源字典]
- 1620s, from Latin convectionem (nominative convectio) "the act of carrying," noun of action from past participle stem of convehere "to carry together," from com- "together" (see com-) + vehere "to carry" (see vehicle). Related: Convective. Convection current recorded from 1868.[convection etymology, convection origin, 英语词源]