切平面

tangent plane (to a surface)

to cut / to slice / tangent (math)

definitely / absolutely (not) / (scoffing or dismissive interjection) Yeah, right. / Tut! / to grind / close to / eager / to correspond to / see also 反切[fan3 qie4]

surname Ping

flat / level / equal / to tie (make the same score) / to draw (score) / calm / peaceful / abbr. for 平聲|平声[ping2 sheng1]

plane (flat surface) / print media

face / side / surface / aspect / top / classifier for objects with flat surfaces such as drums, mirrors, flags etc

variant of 麵|面[mian4]

flour / noodles / (of food) soft (not crunchy) / (slang) (of a person) ineffectual / spineless