Main entry: heat, high temperature, hotness
Definition: the presence of heat
Antonyms: cold, coldness, frigidity, frigidness, low temperature
Definition: the absence of heat
Main entry: estrus, heat, oestrus, rut
Definition: applies to nonhuman mammals: a state or period of heightened sexual arousal and activity
Antonyms: anestrum, anestrus, anoestrum, anoestrus
Definition: applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus
Main entry: heat, heat up
Definition: make hot or hotter
Usage: the sun heats the oceans; heat the water on the stove
Main entry: heat, heat up, hot up
Definition: gain heat or get hot
Usage: The room heated up quickly