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illuminating

[ih-loo-muh-ney-ting] /ɪˈlu məˌneɪ tɪŋ/
adjective
1.
giving or casting light.
2.
informative; enlightening.
Origin
1555-1565
1555-65; illuminate + -ing2
Related forms
nonilluminating, adjective
nonilluminatingly, adverb
unilluminating, adjective

illuminate

[v. ih-loo-muh-neyt; adj., n. ih-loo-muh-nit, -neyt] /v. ɪˈlu məˌneɪt; adj., n. ɪˈlu mə nɪt, -ˌneɪt/
verb (used with object), illuminated, illuminating.
1.
to supply or brighten with light; light up.
2.
to make lucid or clear; throw light on (a subject).
3.
to decorate with lights, as in celebration.
4.
to enlighten, as with knowledge.
5.
to make resplendent or illustrious:
A smile illuminated her face.
6.
to decorate (a manuscript, book, etc.) with colors and gold or silver, as was often done in the Middle Ages.
verb (used without object), illuminated, illuminating.
7.
to display lights, as in celebration.
8.
to become illuminated.
adjective
9.
Archaic. illuminated.
10.
Obsolete, enlightened.
noun
11.
Archaic. a person who is or affects to be specially enlightened.
Origin
1400-50; late Middle English < Latin illūminātus (past participle of illūmināre to light up, brighten). See illumine, -ate1
Related forms
illuminatingly, adverb
preilluminate, verb (used with object)
reilluminate, verb, reilluminated, reilluminating.
semi-illuminated, adjective
unilluminated, adjective
Synonyms
2. clarify, explain, elucidate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for illuminating
  • But they have yet to replace the everyday incandescent and fluorescent light bulbs illuminating our homes.
  • A/V equipment was part of the set up too with appropriate controls for lighting levels and illuminating specific spaces.
  • Lights glow in the planting bed, illuminating brushlike desert spoons and brilliant bougainvilleas.
  • He provides illuminating discussions of modularity in musical processing-currently a hot debate topic.
  • Certainly there is no shortage of mysteries in that area that need illuminating.
  • Further, his description of the application of experiment to answer archeological questions is illuminating.
  • Surprising findings, such as those reported in this paper, can certainly be illuminating.
  • Seeing the connections between our conditions is illuminating.
  • Nor is the existence of beauty any more illuminating as regards divinity.
  • There are dozens of illuminating moments in these narratives told from the vantage point of participants and witnesses.
British Dictionary definitions for illuminating

illuminating

/ɪˈluːmɪˌneɪtɪŋ/
adjective
1.
serving to inform or clarify; instructive
Derived Forms
illuminatingly, adverb

illuminate

verb (ɪˈluːmɪˌneɪt)
1.
(transitive) to throw light in or into; light up: to illuminate a room
2.
(transitive) to make easily understood; clarify
3.
to adorn, decorate, or be decorated with lights
4.
(transitive) to decorate (a letter, page, etc) by the application of colours, gold, or silver
5.
(intransitive) to become lighted up
adjective (ɪˈluːmɪnɪt; -ˌneɪt)
6.
(archaic) made clear or bright with light; illuminated
noun (ɪˈluːmɪnɪt; -ˌneɪt)
7.
a person who has or claims to have special enlightenment
Derived Forms
illuminative, adjective
illuminator, noun
Word Origin
C16: from Latin illūmināre to light up, from lūmen light
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 illuminating

illuminate

v.

c.1500, "to light up, shine on," a back-formation from illumination, or else from Latin illuminatus, past participle of illuminare (see illumination). Earlier was enlumyen (late 14c.) "decorate written material with gold, silver, bright colors," from Old French enluminer, from Late Latin inluminare; also illumine (late 14c.). Related: Illuminated; illuminating.

Online Etymology Dictionary, © 2010 Douglas Harper
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