fissure

• 名词，指物体表面狭长的开口或裂缝，常出现在岩石、地面或其他坚硬材料上。

A noun referring to a narrow opening, crack, or split in a surface, often in rock, earth, or other solid material.

1. Crack or splitB2formal

   A long, narrow opening or crack in a surface, especially in rock or earth.

   裂缝

   • The earthquake created a deep fissure in the ground.
   • Water seeped through a fissure in the rock.
   • Geologists studied the fissure to understand the tectonic activity.

   同义词chinkcleftcrackcrevicefracturegapopeningrentriftsplit

2. Anatomical grooveC1formalmedical

   A narrow groove or cleft in an organ or tissue, especially in the brain.

   裂

   • The surgeon identified a fissure in the cerebral cortex.
   • The brain's lateral fissure separates the temporal lobe from the frontal lobe.
   • A fissure in the spinal column can cause nerve damage.

   同义词cleftfurrowgroovesulcus

3. Division or splitC1formal

   A division or separation within a group or organization.

   分裂

   • The political fissure between the two parties deepened over time.
   • A fissure in the community emerged after the controversial decision.
   • The fissure within the company's leadership led to a restructuring.

   同义词breachbreakcleavagedisuniondivisionriftruptureschismsplit

   反义词cohesionsolidarityunionunity

• 动词，指裂开或使裂开，形成狭长的缝隙或裂缝。

A verb meaning to split or crack open, forming a long, narrow opening or cleft.

1. To crack or splitC1formal

   To break or split open, forming a long narrow opening.

   裂开

   • The ground fissured after the earthquake.
   • The rock fissured under the intense heat.
   • The old wall began to fissure due to moisture.

   同义词cleavecrackfracturerendsplit

   反义词closefusejoinsealunite