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8 dictionary results for: fissure
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
fis·sure
[fish-er] Pronunciation Key noun, verb, -sured, -sur·ing.
[fish-er] Pronunciation Key noun, verb, -sured, -sur·ing. –noun
–verb (used with object)
–verb (used without object)
| 1. | a narrow opening produced by cleavage or separation of parts. |
| 2. | cleavage (def. 1). |
| 3. | Anatomy. a natural division or groove in an organ, as in the brain. |
| 4. | to make fissures in; cleave; split. |
| 5. | to open in fissures; become split. |
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
American Heritage Dictionary - Cite This Source - Share This
| fis·sure
(fĭsh'ər) Pronunciation Key
n.
intr. & tr.v. fis·sured, fis·sur·ing, fis·sures To form a crack or cleft or cause a crack or cleft in. [Middle English, cut, from Old French, from Latin fissūra, from fissus, split; see fissi-.] |
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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.
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
fissure
fissure
c.1400, from O.Fr. fissure, from L. fissura "a cleft," from root of findere "to split, cleave," from PIE *bhi-n-d-, from base *bheid- "to split" (cf. Skt. bhinadmi "I cleave," O.H.G.bizzan "to bite," O.E.bita "a piece bitten off,morsel," O.N. beita "tohunt with dogs," beita"pasture, food").
Online Etymology Dictionary, © 2001 Douglas Harper
WordNet - Cite This Source - Share This
| fissure | |
noun | |
| 1. | a long narrow depression in a surface [syn: crevice] |
| 2. | a long narrow opening [syn: crack] |
| 3. | (anatomy) a long narrow slit or groove that divides an organ into lobes |
verb | |
| 1. | break into fissures or fine cracks |
WordNet® 3.0, © 2006 by Princeton University.
The American Heritage Science Dictionary - Cite This Source - Share This
| fissure
(fĭsh'ər) Pronunciation Key
A long, narrow crack or opening in the face of a rock. Fissures are often filled with minerals of a different type from those in the surrounding rock.
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The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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
fissure fis·sure (fĭsh'ər)
n.
- A deep furrow, cleft, or slit.
- A developmental break or fault in the enamel of a tooth.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Webster's Revised Unabridged Dictionary - Cite This Source - Share This
Fissure
Fis"sure\, n. [L. fissura, fr. findere, fissum, to cleave, split; akin to E. bite: cf. F. fissure.] A narrow opening, made by the parting of any substance; a cleft; as, the fissure of a rock. Cerebral fissures (Anat.), the furrows or clefts by which the surface of the cerebrum is divided; esp., the furrows first formed by the infolding of the whole wall of the cerebrum. Fissure needle (Surg.), a spiral needle for catching together the gaping lips of wounds. --Knight. Fissure of rolando (Anat.), the furrow separating the frontal from the parietal lobe in the cerebrum. Fissure of Sylvius (Anat.), a deep cerebral fissure separating the frontal from the temporal lobe. See Illust. under Brain. Fissure vein (Mining), a crack in the earth's surface filled with mineral matter. --Raymond.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
Webster's Revised Unabridged Dictionary - Cite This Source - Share This
Fissure
Fis"sure\, v. t. To cleave; to divide; to crack or fracture.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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