heat-v; 2 Senses

Sense Number 1: make hotter

Examples:
It costs too much to heat this apartment.
The carrageenan was heated or cooled to room temperature, then mixed with droplets.
Charcoal, wood or gas heats this cylinder.
It depends on how strong you make the beer and how long you heated it in the oven.
The South and West started to heat up also, and also saw rainfall shortages.
The water 'pouring' noise soon disappeared and the radiators started to heat as well.
Again, snakes exposed to courtship were heated faster than those that were not.
(refers to body temperature of the snakes, not of mating behavior)

Mappings:
VerbNet: cooking-45.3,other_cos-45.4
FrameNet: Cause_temperature_change,Inchoative_change_of_temperature
PropBank: heat.01,heat.02
WordNet 3.0 Sense Numbers: 1, 2, 4
WordNet Verb Particle Constructions, Multiword Expressions:
heat_up 1, 2

Sense Number 2: ignite, intensify

Commentary:
NOTE: abstract/metaphorical use

Examples:
Only recently has interest in LBS started to heat up again.
The government had a more comfortable lead and the political atmosphere started to heat.
As her emotions heated, I noticed myself becoming cool and still.

Mappings:
VerbNet: NM
FrameNet: NM
PropBank: heat.01,heat.02
WordNet 3.0 Sense Numbers: 3
WordNet Verb Particle Constructions, Multiword Expressions:
heat_up 3