a canal for a current of water | utility to warm a building |
a contest of speed | the presence of heat |
any competition | the trait of being intensely emotional |
people who are believed to belong to the same genetic stock | the sensation caused by heat energy |
(biology) a taxonomic group that is a division of a species; usually arises as a consequence of geographical isolation within a species | a preliminary race in which the winner advances to a more important race |
the flow of air that is driven backwards by an aircraft propeller | a form of energy that is transferred by a difference in temperature |
| applies to nonhuman mammals: a state or period of heightened sexual arousal and activity |