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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
gray1    Audio Help   [grey] Pronunciation Key adjective, -er, -est, noun, verb
–adjective
1.of a color between white and black; having a neutral hue.
2.dark, dismal, or gloomy: gray skies.
3.dull, dreary, or monotonous.
4.having gray hair; gray-headed.
5.pertaining to old age; mature.
6.Informal. pertaining to, involving, or composed of older persons: gray households.
7.old or ancient.
8.indeterminate and intermediate in character: The tax audit concentrated on deductions in the gray area between purely personal and purely business expenses.
–noun
9.any achromatic color; any color with zero chroma, intermediate between white and black.
10.something of this color.
11.gray material or clothing: to dress in gray.
12.an unbleached and undyed condition.
13.(often initial capital letter) a member of the Confederate army in the American Civil War or the army itself. Compare blue (def. 5).
14.a horse of a gray color.
15.a horse that appears white but is not an albino.
–verb (used with object), verb (used without object)
16.to make or become gray.
Also, grey.

[Origin: bef. 900; ME; OE grǣg; c. G grau]

—Related forms
grayly, adverb
grayness, noun
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Encyclopædia Britannica, Inc.
Gray

To learn more about Gray visit Britannica.com

© 2008 Encyclopædia Britannica, Inc.
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
gray2    Audio Help   [grey] Pronunciation Key
–noun Physics.
the SI unit of absorbed dose, equal to the amount of ionizing radiation absorbed when the energy imparted to matter is 1 J/kg. Abbreviation: Gy
Compare rad.

[Origin: 1975; named in honor of Louis Harold Gray (1905–65), English radiobiologist]
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
Gray    Audio Help   [grey] Pronunciation Key
–noun
1.A·sa    Audio Help   [ey-suh] Pronunciation Key, 1810–88, U.S. botanist.
2.Robert, 1755–1806, U.S. explorer and sea captain: discovered the Columbia River.
3.Thomas, 1716–71, English poet.
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
American Heritage Dictionary - Cite This Source - Share This
gray 1 also grey    Audio Help   (grā)  Pronunciation Key 
adj.   gray·er also grey·er, gray·est also grey·est
  1. Of or relating to an achromatic color of any lightness between the extremes of black and white.
    1. Dull or dark: a gray, rainy afternoon.
    2. Lacking in cheer; gloomy: a gray mood.
    3. Having gray hair; hoary.
    4. Old or venerable.
    1. Having gray hair; hoary.
    2. Old or venerable.
  4. Intermediate in character or position, as with regard to a subjective matter: the gray area between their differing opinions on the film's morality.

n.  
  1. An achromatic color of any lightness between the extremes of black and white.
  2. An object or animal of the color gray.
  3. often Gray
    1. A member of the Confederate Army in the Civil War.
    2. The Confederate Army.

v.   grayed also greyed, gray·ing also grey·ing, grays also greys

v.   tr.
To make gray.

v.   intr.
  1. To become gray.
    1. To become old; age.
    2. To include a large or increasing proportion of older people: "Federal food programs can't keep up with the nation's rapidly graying population" (Michael J. McCarthy).


[Middle English grei, from Old English grǣg.]

gray'ly adj., gray'ness n.
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage Dictionary - Cite This Source - Share This
gray 2    Audio Help   (grā)  Pronunciation Key 
n.   Abbr. Gy
The SI unit for the energy absorbed from ionizing radiation, equal to one joule per kilogram.


[After Louis Harold Gray (1905-1965), British radiobiologist.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage Dictionary - Cite This Source - Share This
Gray    Audio Help   (grā)  Pronunciation Key 
American botanist who greatly enlarged and improved the description of North American flora and was the chief American advocate of Charles Darwin's theories.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage Dictionary - Cite This Source - Share This
Gray, Robert 1755-1806.  
American explorer who twice circumnavigated the globe (1787-1790 and 1790-1793) and discovered Grays Harbor and the Columbia River (1792).

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage Dictionary - Cite This Source - Share This
Gray, Thomas 1716-1771.  
British poet considered a forerunner of English romanticism. His most famous work is Elegy Written in a Country Churchyard (1751).

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Online Etymology Dictionary - Cite This Source - Share This
gray 
O.E. græg (Mercian grei), from P.Gmc. *græwyaz (cf. O.N. grar, O.Fris. gre, Du. graw, Ger. grau), from PIE *ghreghwos, but no certain cognates outside Gmc. The distinction between British grey and U.S. gray developed 20c. Gray as figurative for "Southern troops in the U.S. Civil War" is first recorded 1863, in reference to their uniform color.

Online Etymology Dictionary, © 2001 Douglas Harper
WordNet - Cite This Source - Share This
gray

adjective
1. of an achromatic color of any lightness intermediate between the extremes of white and black; "the little grey cells"; "gray flannel suit"; "a man with greyish hair" [syn: grey] 
2. showing characteristics of age, especially having grey or white hair; "whose beard with age is hoar"-Coleridge; "nodded his hoary head" 
3. used to signify the Confederate forces in the American Civil War (who wore grey uniforms); "a stalwart grey figure" [syn: grey] 
4. intermediate in character or position; "a grey area between clearly legal and strictly illegal" [syn: grey] 

noun
1. a neutral achromatic color midway between white and black 
2. clothing that is a grey color; "he was dressed in grey" [syn: grey] 
3. any organization or party whose uniforms or badges are grey; "the Confederate army was a vast grey" [syn: grey] 
4. horse of a light gray or whitish color [syn: grey] 
5. the SI unit of energy absorbed from ionizing radiation; equal to the absorption of one joule of radiation energy by one kilogram of matter; one gray equals 100 rad 
6. English radiobiologist in whose honor the gray (the SI unit of energy for the absorbed dose of radiation) was named (1905-1965) 
7. English poet best known for his elegy written in a country churchyard (1716-1771) 
8. American navigator who twice circumnavigated the globe and who discovered the Columbia River (1755-1806) 
9. United States botanist who specialized in North American flora and who was an early supporter of Darwin's theories of evolution (1810-1888) 

verb
1. make grey; "The painter decided to grey the sky" [syn: grey] 
2. turn grey; "Her hair began to grey" [syn: grey] 

WordNet® 3.0, © 2006 by Princeton University.
The American Heritage Science Dictionary - Cite This Source - Share This
gray    Audio Help   (grā)  Pronunciation Key 
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 © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

gray (grā)
n.
Abbr. Gy
A unit for a specific absorbed dose of radiation equal to 100 rads.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

Gray (grā), 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.
Merriam-Webster's Medical Dictionary - Cite This Source - Share This
Main Entry: 1gray
Variant: or chiefly British grey /'grA/
Function: noun
: any of a series of neutral colors ranging betweenblack and white —gray or chiefly British grey adjective

Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Merriam-Webster's Medical Dictionary - Cite This Source - Share This
Main Entry: 2gray
Pronunciation: 'grA
Function: noun
: the mks unit of absorbed dose of ionizing radiation equal to an energy of one joule perkilogram of irradiated material —abbreviation Gy
Gray, Louis Harold (1905–1965), British radiobiologist. In 1933 Gray established a physics laboratory tomeasure radiation in the treatment of cancer at Mount Vernon Hospital, Middlesex, England. Earlier he and Sir W. H. Bragg had formulated a theory for deducing the energy absorbed by a material exposedto gamma rays from the ionization within a small gas-filled cavity in the material. At Mount Vernon he was to apply his theory to X rays and later, in modified form, to neutrons. Gray expressed theneutron dose values in energy units, anticipating the International Commission on Radiological Units, which in 1953 adopted the rad as the unit for measuring all types of ionizing radiation. In 1975the Commission adopted the gray as the physical unit of dose.

Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Free On-line Dictionary of Computing - Cite This Source - Share This

Gray
A parser generator written in Forth by Martin Anton Ertl . Gray takes grammars in an extended BNF and produces executable Forth code for recursive descent parsers. There is no special support for error handling. Version 3 runs under Tile Forth Release 2 by Mikael Patel.
(1992-05-22)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
U.S. Gazetteer - Cite This Source - Share This

Gray Summit, MO (CDP, FIPS 28918) Location: 38.49485 N, 90.81518 W
Population (1990): 2505 (939 housing units)
Area: 20.3 sq km (land), 0.0 sq km (water)
Zip code(s): 63039

Gray County, KS (county, FIPS 69) Location: 37.74460 N, 100.42421 W
Population (1990): 5396 (2114 housing units)
Area: 2250.6 sq km (land), 1.1 sq km (water)

Gray County, TX (county, FIPS 179) Location: 35.40948 N, 100.81455 W
Population (1990): 23967 (11532 housing units)
Area: 2404.4 sq km (land), 2.5 sq km (water)

Gray Court, SC (town, FIPS 30355) Location: 34.60733 N, 82.11294 W
Population (1990): 914 (352 housing units)
Area: 4.6 sq km (land), 0.0 sq km (water)

Gray, ME Zip code(s): 04039

Gray, LA (CDP, FIPS 31180) Location: 29.67689 N, 90.78160 W
Population (1990): 4260 (1496 housing units)
Area: 30.1 sq km (land), 0.0 sq km (water)
Zip code(s): 70359

Gray, KY Zip code(s): 40734

Gray, IA (city, FIPS 32565) Location: 41.84132 N, 94.98416 W
Population (1990): 83 (45 housing units)
Area: 2.6 sq km (land), 0.0 sq km (water)
Zip code(s): 50110

Gray, GA (city, FIPS 34512) Location: 33.00739 N, 83.53575 W
Population (1990): 2189 (799 housing units)
Area: 6.3 sq km (land), 0.0 sq km (water)
Zip code(s): 31032

Gray, TN (CDP, FIPS 30700) Location: 36.41117 N, 82.47974 W
Population (1990): 1071 (444 housing units)
Area: 7.7 sq km (land), 0.0 sq km (water)
Zip code(s): 37615

U.S. Gazetteer, U.S. Census Bureau
Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Gray

Gray\, a. [Compar. Grayer; superl. Grayest.] [OE. gray, grey, AS. gr[=ae]g, gr[=e]g; akin to D. graauw, OHG. gr[=a]o, G. grau, Dan. graa, Sw. gr[*a], Icel. gr[=a]r.] [Written also grey.]

1. White mixed with black, as the color of pepper and salt, or of ashes, or of hair whitened by age; sometimes, a dark mixed color; as, the soft gray eye of a dove.

These gray and dun colors may be also produced by mixing whites and blacks. --Sir I. Newton.

2. Gray-haired; gray-headed; of a gray color; hoary.

3. Old; mature; as, gray experience. Ames.

Gray antimony (Min.), stibnite.

Gray buck (Zo["o]l.), the chickara.

Gray cobalt (Min.), smaltite.

Gray copper (Min.), tetrahedrite.

Gray duck (Zo["o]l.), the gadwall; also applied to the female mallard.

Gray falcon (Zo["o]l.) the peregrine falcon.

Gray Friar. See Franciscan, and Friar.

Gray hen (Zo["o]l.), the female of the blackcock or black grouse. See Heath grouse.

Gray mill or millet (Bot.), a name of several plants of the genus Lithospermum; gromwell.

Gray mullet (Zo["o]l.) any one of the numerous species of the genus Mugil, or family Mugilid[ae], found both in the Old World and America; as the European species (M. capito, and M. auratus), the American striped mullet (M. albula), and the white or silver mullet (M. Braziliensis). See Mullet.

Gray owl (Zo["o]l.), the European tawny or brown owl (Syrnium aluco). The great gray owl (Ulula cinerea) inhabits arctic America.

Gray parrot (Zo["o]l.), a parrot (Psittacus erithacus), very commonly domesticated, and noted for its aptness in learning to talk.

Gray pike. (Zo["o]l.) See Sauger.

Gray snapper (Zo["o]l.), a Florida fish; the sea lawyer. See Snapper.

Gray snipe (Zo["o]l.), the dowitcher in winter plumage.

Gray whale (Zo["o]l.), a rather large and swift California whale (Rhachianectes glaucus), formerly taken in large numbers in the bays; -- called also grayback, devilfish, and hardhead.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Gray

Gray\, n. 1. A gray color; any mixture of white and black; also, a neutral or whitish tint.

2. An animal or thing of gray color, as a horse, a badger, or a kind of salmon.

Woe worth the chase, woe worth the day. That coats thy life, my gallant gray. --Sir W. Scott.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
On-line Medical Dictionary - Cite This Source - Share This

Gray

Gray: in CancerWEB's On-line Medical Dictionary

On-line Medical Dictionary, © 1997-98 Academic Medical Publishing & CancerWEB
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