convection

movement carrying heat, air, or fluid

Roots

com-: with, together, complete, or intensified
veh / vect: carry, convey, or drive

Other words with the veh / vect root

invective: abusive or attacking language
vector: a quantity with size and direction; a carrier
vehicle: something that carries people, things, or meaning

Convection carries heat or air together through movement.

The soup cooled as convection carried heat from the bottom of the pot.

Convection is a science word with a useful carry image. Con- gives together; veh / vect gives carry. In convection, heat or fluid is carried along by movement.