radiator
part of speech
noun (a radiator, radiators)
meaning for a pupil
1) A radiator is a flat metal heater, usually under a window, that warms a room when hot water or steam flows through it. tree →
2) A radiator is also the part at the front of a car engine that keeps the engine cool. tree →
sense in the lessons
In everyday life radiators heat homes and classrooms in the UK, Ireland and other cold places; people dry gloves on them and children are warned they can be hot. In science radiators show heat transfer: they warm the air by convection and radiation. Phrases: «turn up the radiator», «bleed the radiator», «car radiator».
examples
- Put your wet gloves on the radiator to dry. tree →
- The radiator in our classroom is very hot, so don't lean on it. tree →
- Dad bled the radiator because it was cold at the top. tree →
- Warm air rises from the radiator and moves round the room. tree →
- The car stopped because the radiator leaked. tree →
- Turn the radiator down; it's boiling in here. tree →
- The cat loves sleeping on the radiator shelf. tree →
- Our old house has big iron radiators. tree →
note
Countable: «a radiator». From «radiate» (to send out heat or light). Despite the name, most of a home radiator's heat moves by convection, not radiation. In American English a «heater» is often used for room heaters.
In the corpora
- The boiler heats the water and the radiators, and "packed in" means it has stopped working.
- Mum leaves a bowl of bread dough by the radiator, and an hour later it has puffed up to twice its size.
- Radiators and heaters can burn skin, so you do not lean or sit on them.
- You do not lean or sit on hot radiators and heaters, because they can burn skin.
- An elephant's big thin ears are full of blood vessels and give off heat like radiators when it flaps them.
Trees and pragmatics
Every meaning and example of «radiator» parsed by Mova, each sentence with its dependency tree and frames.