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1

diffuse

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adjective dif·fuse \di-ˈfyüs\

Simple Definition of diffuse

  • : spread out over a large space : not concentrated in one area

Full Definition of diffuse

  1. 1 :  being at once verbose and ill-organized <a diffuse report from the scene of the earthquake>

  2. 2 :  not concentrated or localized <diffuse lighting><diffuse sclerosis>

dif·fuse·ly adverb
dif·fuse·ness noun

Examples of diffuse

  1. The forest was filled with a soft, diffuse light.

  2. <a diffuse speech that took a great deal of time to make a very small point>



Origin of diffuse

Middle English, from Latin diffusus, past participle of diffundere to spread out, from dis- + fundere to pour — more at found


First Known Use: 15th century

Synonym Discussion of diffuse

wordy, verbose, prolix, diffuse mean using more words than necessary to express thought. wordy may also imply loquaciousness or garrulity <a wordy speech>. verbose suggests a resulting dullness, obscurity, or lack of incisiveness or precision <the verbose position papers>. prolix suggests unreasonable and tedious dwelling on details <habitually transformed brief anecdotes into prolix sagas>. diffuse stresses lack of compactness and pointedness of style <diffuse memoirs that are so many shaggy-dog stories>.

2

diffuse

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verb dif·fuse \di-ˈfyüz\

Simple Definition of diffuse

  • : to spread out : to move freely throughout a large area

  • : to exist or be known throughout an area

  • : to cause (light) to be soft and spread out

Full Definition of diffuse

dif·fuseddif·fus·ing

  1. transitive verb
  2. 1 a :  to pour out and permit or cause to spread freely b :  extend, scatter c :  to spread thinly or wastefully

  3. 2 :  to subject to diffusion; especially :  to break up and distribute (incident light) by reflection

  4. intransitive verb
  5. 1 :  to spread out or become transmitted especially by contact

  6. 2 :  to undergo diffusion

dif·fus·ible play \di-ˈfyü-zə-bəl\ adjective

Examples of diffuse

  1. The heat from the radiator diffuses throughout the room.

  2. The heat was diffused throughout the room.

  3. The photographer uses a screen to diffuse the light.

  4. an area of diffused light



Origin of diffuse

Middle English diffused, past participle, from Latin diffusus, past participle


First Known Use: 14th century



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