fissure
noun
[ ˈfɪʃə ]
• a long, narrow opening or line of breakage made by cracking or splitting, especially in rock or earth.
• "the bacteria survive around vents or fissures in the deep ocean floor"
Similar:
opening,
crevice,
crack,
cleft,
cranny,
chink,
slit,
groove,
gap,
hole,
breach,
aperture,
vent,
interstice,
crevasse,
chasm,
ravine,
crater,
break,
fracture,
fault,
rift,
rupture,
split,
rent,
gash,
scission,
grike,
• a state of incompatibility or disagreement.
• "a fissure between philosophy and reality"
fissure
verb
• split or crack (something) to form a long, narrow opening.
• "the dry years had cracked and fissured the cliffs"
Origin:
late Middle English: from Old French, or from Latin fissura, from findere ‘to split’.