切面

qiēmiàn
  1. section
  2. cross-cut
  3. tangent plane (math.)

CEDICT

math

Entry Composition

1 切 qiē
  1. to cut; to slice; to carve
  2. (math) tangential
=2 面 miàn
  1. face
  2. side
  3. surface
  4. aspect
  5. top
  6. classifier for objects with flat surfaces such as drums, mirrors, flags etc
=2 面 miàn variant of 麵 miàn
=2 面 miàn
  1. flour
  2. noodles
  3. (of food) soft (not crunchy)
  4. (slang) (of a person) ineffectual
  5. spineless