2heat verb
heats; heat·ed; heat·ing [+ obj] : to cause (something) to become warm or hot
▪ I heated the vegetables in the microwave. ▪ They heat their house with a wood stove.
▪ I heated the vegetables in the microwave. ▪ They heat their house with a wood stove.
heat up [phrasal verb] 1 : to become warm or hot
▪ The morning started out cold but it heated up quickly. 2 : to become more active, intense, or angry
▪ Their conversation started to heat up. [=(Brit) hot up] ▪ Competition between the two companies is heating up. 3 heat (something) up or heat up (something) : to cause (something) to become warm or hot
▪ Could you heat up the vegetables, please? — see also preheat
▪ The morning started out cold but it heated up quickly.
▪ Their conversation started to heat up. [=(Brit) hot up] ▪ Competition between the two companies is heating up.
▪ Could you heat up the vegetables, please? — see also preheat



