1

fissure

play
noun fis·sure \ˈfi-shər\

Definition of fissure

  1. 1 :  a narrow opening or crack of considerable length and depth usually occurring from some breaking or parting

  2. 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. 3 :  a separation or disagreement in thought or viewpoint :  schism <fissures in a political party>

Examples of fissure in a sentence

  1. a fissure in the Earth's crust

  2. a deep fissure in the ice

Origin and Etymology of fissure

Middle English, from Middle French, from Latin fissura, from fissus


First Known Use: 14th century


2

fissure

verb fis·sure

Definition of fissure

fissured

fissuring

  1. transitive verb
  2. :  to break into fissures :  cleave

  3. intransitive verb
  4. :  crack, divide

1656

First Known Use of fissure

1656


FISSURE Defined for English Language Learners

1

fissure

play
noun fis·sure \ˈfi-shər\

Definition of fissure for English Language Learners

  • : a narrow opening or crack


FISSURE Defined for Kids

fissure

play
noun fis·sure \ˈfi-shər\

Definition of fissure for Students

  1. :  a narrow opening or crack


Medical Dictionary

fissure

play
noun fis·sure \ˈfish-ər, British also ˈfish-yu̇r\

Medical Definition of fissure

  1. 1:  a natural cleft between body parts or in the substance of an organ: asa:  any of several clefts separating the lobes of the liverb:  any of various clefts between bones or parts of bones in the skullc:  any of the deep clefts of the brain; especially :  one of those located at points of elevation in the walls of the ventricles—compare sulcusd:  anterior median fissure; also :  posterior median septum

  2. 2:  a break or slit in tissue usually at the junction of skin and mucous membrane <fissure of the lip>

  3. 3:  a linear developmental imperfection in the enamel of a tooth

fissured

\ˈfish-ərd, British also ˈfish-yu̇rd\play play adjective


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