con‧vec‧tion /kənˈvekʃ
ən/
noun [uncountable] technical[
Date: 1800-1900;
Language: Late Latin;
Origin: convectio, from Latin convehere 'to bring together', from com- ( ⇒ COM-) + vehere 'to carry']
the movement in a gas or liquid caused by warm gas or liquid rising, and cold gas or liquid sinking
[TahlilGaran] Dictionary of Contemporary English ▲