fissure🔊

A long, narrow crack or opening made by breaking or splitting, especially in rock or earth.

(anatomy) A groove, deep furrow, elongated cleft or tear between body parts or in the substance of an organ; a sulcus.

(anatomy) A break or slit in tissue usually at the junction of skin and mucous membrane.

A state of incompatibility or disagreement. +

To split, forming fissures.