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

ditto

used to agree with something that has just been said, or to avoid repeating something that has been said

Word of the Day

Euphemisms (Words used to Avoid Offending People)

by Kate Woodford,
March 04, 2015
​​​ We recently looked at the language that we use to describe lies and lying. One area of lying that we considered was ‘being slightly dishonest, or not speaking the complete truth’. One reason for not speaking the complete truth is to avoid saying something that might upset or offend people. Words and

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More