| 释义 |
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 > |