DictionaryfissureNarrow crack
noun / verb

fissure

FISH-er/ˈfɪʃər/

A narrow split breaking the continuity of a surface.

A long, jagged fissure runs through the pale slab of rock.

One long narrow jagged fissure runs through a pale rock slab, dark depth inside crack and connected unbroken stone on both sides; no canyon panorama.
Etymology

Here splitting is viewed through its result: a cleft or opening, rather than the action itself. The English word preserves that image in its sense of a long, narrow crack.

In context

Litzsinger Road Ecology Center0:36
they express some concerns about this fissure here you can see the two stems have started to split
Felling a Giant Sycamore

More examples

  • Water seeps into small fissures in the concrete.
  • The dry clay begins to fissure along its edges.
  • The inspector finds a hairline fissure in the pipe.

Forms

fissure · fissures · fissured · fissuring

Similar words

crack
A broader, everyday term for a split in a surface.
crevice
Emphasizes a narrow gap, often between rocks or adjoining surfaces.