横おう断だん切せっ片ぺん

noun

transverse section; cross section

Technical term used in biology, medicine, and materials science for a slice or section cut perpendicular to the long axis.

• 顕けん微び鏡きょうで茎くきの横おう断だん切せっ片ぺんを観かん察さつした。

  We observed a transverse section of the stem under the microscope.