Nearby Words
gray matter
Gray Matter www.ask.com/Gray+Matter View Gray Matter; Get Answers Now on Ask.com!
Dictionary.com Mobile www.dictionary.com/mobile Join 45 Million Happy Mobile Users Today On Our Award-Winning Four Star App. Download Now!
Ads
gray matter
noun
1.
Anatomy. nerve tissue, especially of the brain and spinal cord, that contains fibers and nerve cell bodies and is dark reddish-gray. Compare white matter.
2.
Informal. brains or intellect.
Origin:
1830–40
1830–40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
|
Link To gray matter
00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
Gray matter
is always a great word to know.
So is adrenal glands. Does it mean:
| a network of cells and cell-forming tissue that protects the body from pathogens, destroys infected, malignant cells, and removes cellular debris |
| ductless glands above the kidneys, consisting of a cortex producing steroidal hormones, and a medulla producing epinephrine and norepinephrine |
American Heritage
Medical Dictionary
gray matter n.
Brownish-gray nerve tissue, especially of the brain and spinal cord, composed of nerve cell bodies and their dendrites and some supportive tissue. Also called gray substance, substantia grisea.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
| gray matter
The brownish-gray tissue of the vertebrate brain and spinal cord, made up chiefly of the cell bodies and dendrites of neurons. Compare white matter. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
American Heritage
Idioms & Phrases
gray matter
Brains, intellect, as in If you'd only use your gray matter, you'd see the answer in a minute. This expression refers to actual brain tissue that is gray in color. Agatha Christie's fictional detective, Hercule Poirot, constantly alludes to using the little gray cells for solving a crime. [Late 1800s]
The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
Cite This Source
Copyright © 1997. Published by Houghton Mifflin.
Cite This Source
Word Dynamo Rating For Gray matter
Images for gray matter
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
