Dictionary

1fissure

noun fis·sure \ˈfi-shər\

: a narrow opening or crack

Full Definition of FISSURE

1
:  a narrow opening or crack of considerable length and depth usually occurring from some breaking or parting
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
:  a separation or disagreement in thought or viewpoint :  schism <fissures in a political party>
ADVERTISEMENT

Examples of FISSURE

  1. a fissure in the Earth's crust
  2. a deep fissure in the ice

Origin of FISSURE

Middle English, from Middle French, from Latin fissura, from fissus
First Known Use: 14th century

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale

Rhymes with FISSURE

2fissure

verb
fis·suredfis·sur·ing

Definition of FISSURE

transitive verb
:  to break into fissures :  cleave
intransitive verb
:  crack, divide

First Known Use of FISSURE

1656

Rhymes with FISSURE

FISSURES Defined for Kids

fissure

noun fis·sure \ˈfi-shər\

Definition of FISSURE for Kids

:  a narrow opening or crack
Medical Dictionary

fissure

noun fis·sure \ˈfish-ər, British also ˈfish-yr\

Medical Definition of FISSURE

1
:  a natural cleft between body parts or in the substance of an organ: as a :  any of several clefts separating the lobes of the liver b :  any of various clefts between bones or parts of bones in the skull c :  any of the deep clefts of the brain; especially :  one of those located at points of elevation in the walls of the ventricles—compare sulcus d :  anterior median fissure; also :  posterior median septum
2
:  a break or slit in tissue usually at the junction of skin and mucous membrane <fissure of the lip>
3
:  a linear developmental imperfection in the enamel of a tooth
fis·sured \ˈfish-ərd, British also ˈfish-yrd\ adjective

Browse

6 ENTRIES FOUND:
Next Word in the Dictionary: fissurelessPrevious Word in the Dictionary: fissle All Words Near: fissure
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears