fissure
Narrow earth split
A fissure is a narrow crack or split, especially in rock or earth: The earthquake opened deep fissures in the ground.
The word extends to anatomy for natural grooves in organs like the brain or liver.
Figuratively, a fissure is a division or disagreement: fissures within the party, fissures in a relationship.
As a verb, to fissure is to crack or split.
Split in hard material
- splitSeparation into parts
- creviceNarrow opening in surface
- gapUnfilled space between
- riftCrack or estrangement
cleft · rupture · breach · separation · gash · rent · slit · tear
Of the hindgut's end
- tearTo pull apart
- lesionArea of pathological change
- ulcerationFormation of open sores
- painfulCausing hurt or ache
chronic · acute · healing · mucosa · sphincter · bleeding · tissue damage · chapped
Groove in tissue
- gyrusCerebral cortex ridge
- longitudinalAlong the longer dimension
- interhemisphericBetween two half-spheres
- cerebral cortexBrain's outer neural sheet
convolution · frontal lobe · temporal lobe · parietal lobe · occipital lobe · cortical · hemisphere · grey matter
Imperfection or blame
- crevasseDeep glacial fissure
- volcanic ventMagma's surface exit
- lava tubeVolcanic drainage tunnel
- fumaroleVolcanic gas vent
hydrothermal vent · tectonic · magma · eruption · geothermal · mid-ocean ridge · earthquake · seismic
fracture
Split in hard material
rift · cleft · rupture · breach · separation · gash · rent · slit · tear · opening
rectal
Of the hindgut's end
- tearTo pull apart
- lesionArea of pathological change
- ulcerationFormation of open sores
painful · chronic · acute · healing · mucosa · sphincter · bleeding · tissue damage · chapped · cracked heel
sulcus
Groove in tissue
- gyrusCerebral cortex ridge
- longitudinalAlong the longer dimension
- interhemisphericBetween two half-spheres
cerebral cortex · convolution · frontal lobe · temporal lobe · parietal lobe · occipital lobe · cortical · hemisphere · grey matter · cerebrum
fault
Imperfection or blame
- crevasseDeep glacial fissure
- volcanic ventMagma's surface exit
- lava tubeVolcanic drainage tunnel
fumarole · hydrothermal vent · tectonic · magma · eruption · geothermal · mid-ocean ridge · earthquake · seismic · basalt
- groovesfurrow, channel, slot, rut, score
- skeletal openingsforamen, foramen ovale, mental foramen, infraorbital foramen, spinal canal
- cavescave, cavern, caves, caverns, grotto
- volcanoesvolcano, volcanic eruption, Mount Fuji, volcanic eruptions, caldera
- breakingbreaking, cracking, fracturing, rupturing, shattering
- crackscracks, crack, gaps, gap, splits
fissurewholeness
Complete, undivided state
continuity · solidity · integrity · intactness · soundness