面めん積せき分ぶん

め

ん

せ

き

ぶ

ん

Meanings

1

noun

surface integral

mathematics

Mathematical term for integrating a function over a surface in three-dimensional space. Used in vector calculus and physics.

線せん積せき分ぶん
線積分 is a line integral along a curve, while 面積分 is a surface integral over a surface.
体たい積せき分ぶん
体積分 is a volume integral over a three-dimensional region, while 面積分 is restricted to a two-dimensional surface.

Compound of 面 (めん, 'surface') + 積分 (せきぶん, 'integral'). A straightforward technical term formed from its mathematical meaning.