Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “radiate”

See all translations

radiate

verb uk   /ˈreɪ.di.eɪt/ us  

radiate verb (PRODUCE HEAT/LIGHT)

[I or T] to produce heat and/or light, or (of heat or light) to be produced: The planet Jupiter radiates twice as much heat from inside as it receives from the Sun. A single beam of light radiated from the lighthouse.

radiate verb (EXPRESS)

[I or T] to show an emotion or quality, or (of an emotion or quality) to be shown or felt: He was radiating joy and happiness. Enthusiasm was radiating from her.

radiate verb (SPREAD)

[I + adv/prep] to spread out in all directions from a central point: Flows of lava radiated out from the volcano's crater. Just before the breeding season, these birds radiate outwards to warmer climates.
(Definition of radiate from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of radiate?
Add Cambridge dictionaries to your browser to your website

Definitions of “radiate” in other dictionaries

Word of the Day

pot luck

anything that is available or is found by chance, rather than something chosen, planned, or prepared

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More