convection

play
noun con·vec·tion \ kən-ˈvek-shən \

Definition of convection

1 :the action or process of conveying
2 a :movement in a gas or liquid in which the warmer parts move up and the cooler parts move down
  • convection currents
b :the transfer of heat by convection
  • foods cooked by convection
— compare conduction, radiation

convectional

play \kən-ˈvek-shnəl, -shə-nᵊl\ adjective

Recent Examples of convection from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'convection.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of convection

Late Latin convection-, convectio, from Latin convehere to bring together, from com- + vehere to carry — more at way


CONVECTION Defined for English Language Learners

convection

play
noun

Definition of convection for English Language Learners

  • : movement in a gas or liquid in which the warmer parts move up and the colder parts move down; also : the transfer of heat by this movement


CONVECTION Defined for Kids

convection

play
noun con·vec·tion \ kən-ˈvek-shən \

Definition of convection for Students

:motion in a gas (as air) or a liquid in which the warmer portions rise and the colder portions sink
  • Heat can be transferred by convection.

Medical Dictionary

convection

play
noun con·vec·tion \ kən-ˈvek-shən \

medical Definition of convection

1 :the circulatory motion that occurs in a fluid at a nonuniform temperature owing to the variation of its density and the action of gravity
2 :the transfer of heat by convection in a fluid

convectional

play \-shnəl, -shən-ᵊl\ adjective

convective

play \-ˈvek-tiv\ adjective


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