Definition:
A heat lamp is a type of electric light that produces a lot of heat. It usually looks like a regular light bulb but is designed to give off infrared radiation, which is a type of energy that we feel as heat.
In more advanced contexts, heat lamps can be used in scientific experiments or in veterinary care to keep animals warm. They are also used in some restaurants to keep food hot until served.
While there aren't specific idioms or phrasal verbs directly related to "heat lamp," you might hear phrases like: - "Bring the heat": To increase intensity or effort in a situation, often used metaphorically.
In summary, a heat lamp is an electric light that warms an area or keeps food hot.