fissure

noun
  1. A long, narrow opening or line of breakage made by cracking or splitting, especially in rock or earth. noun
    The earthquake caused a deep fissure in the ground.
    Climbers carefully navigated the fissures in the glacier.
  2. A state of incompatibility or disagreement. noun
    There was a growing fissure between the two political parties.
    The scandal created a fissure within the organization.
  3. To split or crack something to form a long, narrow opening. verb
    The intense heat fissured the clay pot.
    Over time, the rock was fissured by the constant flow of water.