Meaning of “diffuser” in the English Dictionary

british dictionary

"diffuser" in British English

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diffusernoun [ C ]

also diffusor uk /dɪˈfjuː.zər/ us /dɪˈfjuː.zɚ/

a device that is used to make light less direct to spread heat across an area or surface

(Definition of “diffuser” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)