What does the word fissure mean?
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1. A furrow, cleft, or slit; for the normal anatomical fissures see fissura, and for most of the brain fissures, sulcus. 2. In dentistry a break or fault in the enamel of a tooth.
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Fissure has various acceptations: 1. A fracture, Catag'ma fissu'ra, in which the bone is cracked, not separated, as in fracture; 2. A narrow, long, and superficial solution of continuity, around the external openings of the mucous membranes. A sort of chap-( F.) Gercure-observed on the hands, particularly on the callous hands, of workmen, in certain mechanical employments; 3. Small chapped ulcerations, sometimes noticed in young children, owing to the contact of the faeces and urine with the fine, delicate skin of the thighs, nates, and genital organs; 4. Clefts of a more or less deep nature, occurring on the genital organs in the vicinity of the anus, in those labouring under syphilis. These are usually called rhagades. See Monster
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[ Latin] A crack; a linear opening in a surface, especially that of the skin, produced by tension made by muscular contractions or in other ways upon the parts when the latter are abnormally brittle; also a crack or cracking of other parts, as F. of the bones, F. of the nipples. F. of the anus, a minute f. in the mucous membrane of the anus; characterized by extreme pain in defecation. Remedied by forcible stretching of the sphincter ani under ether.
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Usage examples for fissure
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Apparently we were on the brink of a crater, but the thick fumes of the disagreeable vapor made it impossible for us to guess at the breadth of the fissure. – The Former Philippines thru Foreign Eyes by Tomás de Comyn Fedor Jagor Rudolf Ludwig Carl Virchow Charles Wilkes
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It was cool and quiet in there when Jack discovered the hiding place, and the wind blowing directly from the south that day, did not more than whistle pleasantly through a big fissure somewhere in the roof. – The Lookout Man by B. M. Bower
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It was no ragged crevice, no nature split fissure; it gave the impression of a gigantic doorway. – The Metal Monster by A. Merritt
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