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diffuse

[v. dih-fyooz; adj. dih-fyoos] /v. dɪˈfyuz; adj. dɪˈfyus/
verb (used with object), diffused, diffusing.
1.
to pour out and spread, as a fluid.
2.
to spread or scatter widely or thinly; disseminate.
3.
Physics. to spread by diffusion.
verb (used without object), diffused, diffusing.
4.
to spread.
5.
Physics. to intermingle by diffusion.
adjective
6.
characterized by great length or discursiveness in speech or writing; wordy.
7.
widely spread or scattered; dispersed.
8.
Botany. widely or loosely spreading.
9.
Optics. (of reflected light) scattered, as from a rough surface (opposed to specular).
Origin
1350-1400
1350-1400; Middle English (< Anglo-French) < Latin diffūsus spread, poured forth. See dif-, fuse2
Related forms
diffusely
[dih-fyoos-lee] /dɪˈfyus li/ (Show IPA),
adverb
diffuseness, noun
interdiffuse, verb, interdiffused, interdiffusing.
nondiffuse, adjective
nondiffused, adjective
nondiffusing, adjective
overdiffuse, verb, overdiffused, overdiffusing, adjective
overdiffusely, adverb
overdiffuseness, noun
rediffuse, verb, rediffused, rediffusing.
undiffused, adjective
well-diffused, adjective
Can be confused
defuse, diffuse.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for diffusely
  • The albedo of an object is the extent to which it diffusely reflects light from the sun.
  • The ratio of diffusely reflected to incident electromagnetic radiation.
British Dictionary definitions for diffusely

diffuse

verb (dɪˈfjuːz)
1.
to spread or cause to spread in all directions
2.
to undergo or cause to undergo diffusion
3.
to scatter or cause to scatter; disseminate; disperse
adjective (dɪˈfjuːs)
4.
spread out over a wide area
5.
lacking conciseness
6.
(esp of some creeping stems) spreading loosely over a large area
7.
characterized by or exhibiting diffusion: diffuse light, diffuse reflection
8.
(botany) (of plant growth) occurring throughout a tissue
Derived Forms
diffusely (dɪˈfjuːslɪ) adverb
diffuseness, noun
diffusible (dɪˈfjuːzəbəl) adjective
diffusibility, diffusibleness, noun
Word Origin
C15: from Latin diffūsus spread abroad, from diffundere to pour forth, from dis- away + fundere to pour
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for diffusely

diffuse

v.

1520s (transitive), 1650s (intransitive), from Latin diffusus, past participle of diffundere "to pour out or away" (see diffusion). Related: Diffused; diffusing.

adj.

early 15c., from Latin diffusus (see diffuse (v.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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diffusely in Medicine

diffuse dif·fuse (dĭ-fyōōs')
adj.
Not limited to one tissue or location; widespread. v. dif·fused, dif·fus·ing, dif·fus·es (dĭ-fyōōz')
To spread or to be spread widely, as through a tissue.


dif·fus'i·ble (-fyōō'zə-bəl) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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