Definition of fissure in English:


Syllabification: fis·sure
Pronunciation: /ˈfiSHər


  • 1A long, narrow opening or line of breakage made by cracking or splitting, especially in rock or earth.
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    • ‘Earth fissures several feet wide and deep have been observed in Lucerne Valley,’ he said.
    • Early-stage hydrothermal leaching of the limestone created solution cavities and brecciated zones along the fissures and faults, providing sites for subsequent ore deposition.
    • Flat lawns are formed into an abstract pattern that recalls tectonic fractures and fissures in the earth's surface, their edges defined by dark grey concrete retaining walls.
  • 1.1chiefly Anatomy A long narrow opening in the form of a crack or groove, e.g., any of the spaces separating convolutions of the brain.
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    • However, one more frequently finds the commonly described five lobes not separated by fissures.
    • The inferior surfaces of the frontal lobes are separated from those of the temporal lobes by the lateral fissure.
    • In this natural and inevitable process of atrophy, parts of the brain shrink, while the sulci, or fissures of the brain become shallower and wider.
  • 1.2A state of incompatibility or disagreement: the fissure between private sector business and the newly expanding public sector
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    • But by the time the novel is over, we've seen how small irruptions of human weakness, no less than gigantic cultural fissures, can change everything.
    • Many delegates discussed how Asian media confronts the fissures between democracy and the global market economy.
    • It is clearly a plan on the part of outsiders to come in this country and spark civil war, create sectarian violence and try to expose fissures in the society.


[with object] (usually as adjective fissured) Back to top  
  • Split or crack (something) to form a long narrow opening: the skin becomes dry, fissured, and cracked
    More example sentences
    • After disembarking, there is a short, sharp climb to the summit at 2,743m, across fissured limestone where rock anemones grow.
    • We would slide into the water and spend our 30-40 minutes, and when we came up what greeted us was a wall of snowy rock, fissured glaciers flowing to the waterline and huge towers of ice that sometimes collapsed before our eyes.
    • It may be moist and pink, there may be red psoriasiform with yellow, superficial crusting, or there may be a dry fissured area with mucoid discharge.


late Middle English: from Old French, or from Latin fissura, from findere 'to split'.

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