单词 | gray |
释义 | gray1[ grey ] / greɪ / SEE SYNONYMS FOR gray ON THESAURUS.COM adjective, gray·er, gray·est.nounverb (used with or without object)to make or become gray. Also especially British, grey . Origin of gray1First recorded before 900; Middle English; Old English grǣg; cognate with German grau OTHER WORDS FROM graygrayly; especially British, greyly, adverbgrayness; especially British, greyness, nounun·grayed; especially British, un·greyed, adjectiveWords nearby graygravure, gravy, gravy boat, gravy train, gravy train, ride the, gray, grayanotoxin, gray area, grayback, graybeard, gray birch Definition for gray (2 of 3)gray2 [ grey ] / greɪ / noun Physics.the standard unit of absorbed dose of radiation (such as x-rays) in the International System of Units (SI), equal to the amount of ionizing radiation absorbed when the energy imparted to matter is 1 J/kg (one joule per kilogram). Abbreviation: Gy Compare rad1. Origin of gray2First recorded in 1975; named in honor of Louis Harold Gray (1905–65), English radiobiologist Definition for gray (3 of 3)Gray [ grey ] / greɪ / nounA·sa [ey-suh], /ˈeɪ sə/, 1810–88, U.S. botanist. Robert, 1755–1806, U.S. explorer and sea captain: discovered the Columbia River. Thomas, 1716–71, English poet. Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for grayBritish Dictionary definitions for gray (1 of 3)gray1 / (ɡreɪ) / adjective, noun, verba variant spelling (now esp US) of grey Derived forms of graygrayish, adjectivegrayly, adverbgrayness, nounBritish Dictionary definitions for gray (2 of 3)gray2 / (ɡreɪ) / nounthe derived SI unit of absorbed ionizing radiation dose or kerma equivalent to an absorption per unit mass of one joule per kilogram of irradiated material. 1 gray is equivalent to 100 radsSymbol: Gy Word Origin for grayC20: named after Louis Harold Gray (1905–65), English physicist British Dictionary definitions for gray (3 of 3)Gray / (ɡreɪ) / nounThomas. 1716–71, English poet, best known for his Elegy written in a Country Churchyard (1751) 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 Idioms and Phrases with graygray The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. Medical definitions for gray (1 of 2)gray [ grā ] n.A unit for a specific absorbed dose of radiation equal to 100 rads. Medical definitions for gray (2 of 2)Gray Henry 1825?-1861 British anatomist whose work Anatomy, Descriptive and Surgical (1858), known as Gray's Anatomy, remains a standard text. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for graygray [ grā ] The SI derived unit used to measure the energy absorbed by a substance per unit weight of the substance when exposed to radiation. One gray is equal to one joule per kilogram, or 100 rads. The gray is named after British physicist Louis Harold Gray (1905-1965). The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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