opaque medium

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opaque medium [ō′pāk ‚mēd·ē·əm]

(optics)

A medium impervious to rays of light, that is, not transparent to the human eye.

(physics)

A medium which does not transmit electromagnetic radiation of a specified type, such as that in the infrared, x-ray, ultraviolet, and microwave regions.

A medium which prevents the passage of particles of a specified type.

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No references found			For many authors, fiction is the more opaque medium and non-fiction is where they turn to make themselves clearer--one thinks of Tolkien patiently explaining in letters what he was up to in The Lord of the Rings, or Lewis deliberately hiding Christian symbolism in Narnia--but for Barfield, fiction is a practicum, a thought experiment. Night Operation by Bratman, David / Mythlore Opaque mediums like oil, gouache, and digital media are recommended, so that when a work receives its final review by experts (who examine everything from the number of buttons on a uniform to the rivets of an early aircraft), changes can be made more easily. The art of exploration: National Geographic's illustrators "serve as ... by USA Today (Magazine) Both in the curtains and in the air they frame, Sugito is addressing the old challenge of rendering transparency with an opaque medium. NICOLE KLAGSBRUN by Frankel, David / Artforum International			opacite opacity opacus opaion Opal opal agate Opal Festival opal glass opal lamp bulb opal-CT Opala opalescence Opalescence, Critical opalescent glass opalescent glaze Opalia Opalina Opalinata opaline opaline chert Chert Opalinida opalized wood opaque opaque attritus opaque ceramic-glazed tile opaque medium opaque projector opaque sky cover Opaque Ware opaquing Oparin, Aleksandr Oparin, Aleksandr Ivanovich Oparino Opatija Opava OPC OPDAR OPEC Opegraphaceae Opekushin, Aleksandr Opekushin, Aleksandr Mikhailovich Opelika Opelousas open open ammunition space open arc open architecture open assembly time open association open ball open bay			Opals OPALT Opaltype OPAM OPAMC Opamp Opamp Opamp OPAMWC OPAN Opana Opana ER OPANAL OPANT OPAO OPAP OPAPA OPAPP OPAQ opaque opaque opaque opaque opaque opaque attritus Opaque Bubble Layer opaque ceramic-glazed tile Opaque context Opaque Flecks in Lens opaque gem opaque medium opaque projector opaque projector opaque projector opaque sky cover opaque test meal Opaque type Opaque type Opaque type Opaque type Opaque Ware opaquely opaquely opaquely opaquely opaqueness opaqueness opaqueness opaqueness opaquer opaquer opaquer opaquer Opaques Opaques Opaques Opaques opaquest opaquest opaquest opaquest

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