| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| opaque |
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| SYLLABICATION: | o·paque |
| PRONUNCIATION: |   -p k |
| ADJECTIVE: | 1a. Impenetrable by light; neither transparent nor translucent. b. Not reflecting light; having no luster: an opaque finish. 2. Impenetrable by a form of radiant energy other than visible light: a chemical solution opaque to x-rays. 3a. So obscure as to be unintelligible: “opaque, elusive, minimal meanings” (John Simon). b. Obtuse of mind; dense. See synonyms at dark. | | NOUN: | Something that is opaque, especially an opaque pigment used to darken parts of a photographic print or negative. | | ETYMOLOGY: | Middle English opake, shady, and French opaque, opaque (from Old French, shady), both from Latin opcus. | | OTHER FORMS: | o·paquely —ADVERB
o·paqueness —NOUN
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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