切せつ断だん面めん

noun

cross section; cut surface; cutting plane

Refers to the surface exposed by cutting, or the representation of that surface in a drawing or diagram. Often used in technical and engineering contexts.

See also: 断面

• 図ず面めんには切せつ断だん面めんが示しめされている。

  The cross section is shown in the drawing.

• 切せつ断だん面めんを顕けん微び鏡きょうで観かん察さつした。

  We observed the cut surface under a microscope.