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Merriam-Webster's Collegiate Dictionary fis·sure
ETYMOLOGY Middle English, from Middle French, from Latin fissura, from fissus DATE 14th century 1. a narrow opening or crack of considerable length and depth usually occurring from some breaking or parting 2. a. a natural cleft between body parts or in the substance of an organ b. a break or slit in tissue usually at the junction of skin and mucous membrane 3. a separation or disagreement in thought or viewpoint : schism fissures in a political party
verb (fis·sured ; fis·sur·ing) DATE 1656 transitive verb : to break into fissures : cleave intransitive verb : crack , divide English Etymology 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 "to hunt with dogs," beita "pasture, food").http://O.Fr Oxford Advanced Learner's Dictionary-牛津双解-OALD7 fissure fis·sure / 5fiFE(r) / noun (technical 术语) a long deep crack in sth, especially in rock or in the earth (岩石、土地等中深长的)裂缝,裂隙 • fis·sured adj. OLT fissure noun ⇨ crack Webster's Third New International Dictionary, Unabridged fis·sure I. \ˈfishə(r)\ noun (-s) Etymology: Middle English, from Middle French, from Latin fissura, from fissus (past participle of findere to split) + -ura -ure — more at bite 1. a. : a narrow opening, chasm, or crack of some length and considerable depth usually occurring from some breaking, rending, or parting : cleavage < one of those abrupt fissures with which the earth in the Southwest is riddled — Willa Cather > b. (1) : a usually profound disagreement or discord portending or making for total disruption or breakup : division < the serious fissure in the Labor Party — Felix Morley > (2) : a serious weakness or flaw < the traders of the English colonies were eating their way into the French colonial system, exploring its fissures systematically — O.G.Creighton > 2. [New Latin fissura, from Latin] a. : one of the clefts separating the lobes of the liver and lodging peritoneal folds, ligaments, blood and lymph vessels, and other structures — called also fossa b. : any of certain clefts between bones or parts of bones in the skull c. : any of the deep clefts of the brain; especially : one of those collocated with elevations in the walls of the ventricles < the dentate fissure > — compare sulcus d. : the cleft in the anterior or ventral part of the spinal cord; also :the posterior septum of the spinal cord 3. : a slit in tissue usually at the junction of skin and mucous membrane < fissure of the lip > < anal fissure > Synonyms: see crack II. verb (fissured ; fissured ; fissuring \-sh(ə)riŋ\ ; fissures) transitive verb : to break into fissures : cleave < sudden canyons deeply fissured the earth — Dan Wickenden > intransitive verb : crack , fracture , divide < the main castes fissured into scores, even hundreds, of subcastes — J.B.Noss > |
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