Index Of Refraction

Science / Geology / Index Of Refraction: The ratio of the speed of light in a vacuum to the speed in a material: this ratio determines the amount that light is refracted as it passes into a crystal.

Other Words for Index

Index Adjective Synonyms: mark, sign, clue, token, hint, pointer, indicator, indication, guide
Index Noun Synonyms: guide, directory, list, listing, table of contents, catalogue, key, thesaurus
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Refraction (Wave)

Science / Geology / Refraction (Wave): The departure of a wave from its original direction of travel at the interface with a material of different index of refraction (light) or seismic wave velocity (see also Seismic refraction). MORE

Playoff Beard

Entertainment / Ice Hockey / Playoff Beard: A playoff beard is the superstitious practice of a national hockey league (nhl) player not shaving his beard during the stanley cup playoffs. MORE

Plaster Of Paris

Life Style / Painting / Plaster Of Paris: A quick setting, pure white powder, used to set bathroom wall fixtures such as towel racks or used by craft groups for pouring molds and making plaster objects. MORE

Plant Variety Protection Act Of 1970

Business / Agriculture / Plant Variety Protection Act Of 1970: P.L. 91-577 (December 24, 1970) was enacted to provide patent-like protection for new non-hybrid seed varieties. The ultimate goal was to create an incentive for public and private research on new com MORE

Plague Of Justinian

Health / Disease / Plague Of Justinian: (541-542) The Plague of Justinian was a pandemic that afflicted the Byzantine Empire, including its capital Constantinople, in the years 541–542 AD. It has been speculated that this pandemic was cau MORE

Playoffs

Entertainment / Football / Playoffs: The post-season tournament that determines the NFL champion. MORE

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