fissure

fis·sure

 (fĭsh′ər)

n.

1. A long narrow opening; a crack or cleft.

2. The process of splitting or separating; division.

3. A separation into subgroups or factions; a schism.

4. Anatomy A normal groove or furrow, as in the liver or brain, that divides an organ into lobes or parts.

5. Medicine A break in the skin, usually where it joins a mucous membrane, producing a cracklike sore or ulcer.

intr. & tr.v. fis·sured, fis·sur·ing, fis·sures

To form a crack or cleft or cause a crack or cleft in.

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[Middle English, cut, from Old French, from Latin fissūra, from fissus, split; see fissi-.]

fissure

(ˈfɪʃə)

n

1. any long narrow cleft or crack, esp in a rock

2. a weakness or flaw indicating impending disruption or discord: fissures in a decaying empire.

3. (Anatomy) anatomy a narrow split or groove that divides an organ such as the brain, lung, or liver into lobes. See also sulcus

4. (Medicine) a small unnatural crack in the skin or mucous membrane, as between the toes or at the anus

5. (Dentistry) a minute crack in the surface of a tooth, caused by imperfect joining of enamel during development

vb

to crack or split apart

[C14: from medical Latin fissūra, from Latin fissus split]

fis•sure

(ˈfɪʃ ər)

n., v. -sured, -sur•ing. n.

1. a narrow opening produced by cleavage or separation of parts.

2. cleavage (def. 2).

3. a natural division or groove in an anatomical organ, as in the brain.

v.t.

4. to make fissures in; cleave; split.

v.i.

5. to open in fissures; become split.

[1375–1425; late Middle English < Latin fissūra cleaving, cleft =fiss(us) (see fissi-) + -ūra -ure]

fis′su•ral, adj.

fis′sure•less, adj.

fis·sure

(fĭsh′ər)

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.

fissure

Past participle: fissured
Gerund: fissuring

Imperative

fissure

fissure

fissure

A split or groove.

Thesaurus

Noun	1.	fissure - a long narrow depression in a surface cranny, crevice, chap, crack imprint, impression, depression - a concavity in a surface produced by pressing; "he left the impression of his fingers in the soft mud"
	2.	fissure - a long narrow opening     crack, scissure, cleft, crevice chap - a crack in a lip caused usually by cold chink - a narrow opening as e.g. between planks in a wall crevasse - a deep fissure fatigue crack - a crack in metal resulting from metal fatigue faulting, geological fault, fracture, break, fault, shift - (geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other; "they built it right over a geological fault"; "he studied the faulting of the earth's crust" opening, gap - an open or empty space in or between things; "there was a small opening between the trees"; "the explosion made a gap in the wall" rift - a narrow fissure in rock slit - a narrow fissure split - a lengthwise crack in wood; "he inserted the wedge into a split in the log" volcano, vent - a fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt
	3.	fissure - (anatomy) a long narrow slit or groove that divides an organ into lobes vallecula, groove - (anatomy) any furrow or channel on a bodily structure or part sulcus - (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain hilum, hilus - (anatomy) a depression or fissure where vessels or nerves or ducts enter a bodily organ; "the hilus of the kidney" anatomy, general anatomy - the branch of morphology that deals with the structure of animals
Verb	1.	fissure - break into fissures or fine cracks crack - cause to become cracked; "heat and light cracked the back of the leather chair"

fissure

noun crack, opening, hole, split, gap, rent, fault, breach, break, fracture, rift, slit, rupture, cleavage, cleft, chink, crevice, cranny, interstice There was a great crack, and a fissure opened up.

fissure

noun

1. A usually narrow partial opening caused by splitting and rupture:

break, chink, cleavage, cleft, crack, crevice, rift, split.

2. An interruption in friendly relations:

alienation, breach, break, disaffection, estrangement, rent, rift, rupture, schism, split.

verb

To undergo partial breaking:

crack, fracture, rupture, split.

Translations

Spalte

fessura

fissure

[ˈfɪʃəʳ] N → hendidura f, grieta f (Anat, Geol, Metal) → fisura f

fissure

[ˈfɪʃə^r] n → fissure f

fissure

n → Riss m; (deep) → Kluft f; (narrow) → Spalt m, → Spalte f

fissure

[ˈfɪʃəʳ] n → fessura, fenditura

fis·sure

n. fisura. V.: cleft

fissure

n fisura; anal — fisura anal