1. fissure - Noun
2. fissure - Verb
A narrow opening, made by the parting of any substance; a cleft; as, the fissure of a rock.
To cleave; to divide; to crack or fracture.
Source: Webster's dictionaryThe American fascists are most easily recognized by their deliberate perversion of truth and fact. Their newspapers and propaganda carefully cultivate every fissure of disunity, every crack in the common front against fascism. Henry A. Wallace
There is a fissure in my vision and madness will always rush through. Anaïs Nin
Based on the surface appearance, three lobes can be distinguished within the cerebellum: the anterior lobe (above the primary fissure ), the posterior lobe (below the primary fissure), and the flocculonodular lobe (below the posterior fissure). Source: Internet
A mallet was used to drive the orbitoclast through the thin layer of bone and into the brain along the plane of the bridge of the nose, around fifteen degrees toward the interhemispherical fissure. Source: Internet
If a rock unit of low porosity is highly fractured, it can also make a good aquifer (via fissure flow), provided the rock has a hydraulic conductivity sufficient to facilitate movement of water. Source: Internet
A hiker explores the path that leads through Crack-in-the-Ground, a two-mile long fissure created more than 1,100 years ago. Source: Internet