convectional

WordReference Random House Learner's Dictionary of American English © 2025

con•vec•tion /kənˈvɛkʃən/   n. [uncountable]

1. Physics the transfer of heat by the circulation of heated liquid or gas:
   Does a room's radiator get its heat by convection?

con•vec•tion•al, adj. 

WordReference Random House Unabridged Dictionary of American English © 2025

con•vec•tion  (kən vek′shən), n. 

1. Physics the transfer of heat by the circulation or movement of the heated parts of a liquid or gas.
2. Meteorology the vertical transport of atmospheric properties, esp. upward (distinguished from advection).
3. the act of conveying or transmitting.

• Late Latin convectiōn- (stem of convectiō) a bringing together. See convect, -ion
• 1615–25

con•vec′tion•al, adj.