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 a fissure in the earth's crust

  2. 2a :  a natural cleft between body parts or in the substance of an organb :  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

Recent Examples of fissure from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fissure'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of fissure

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


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

Recent Examples of fissure from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fissure'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of fissure

see 1fissure


FISSURE Defined for English Language Learners

fissure

play
noun

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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