外分

• (Tokyo) がいぶん [gàíbúń] (Heiban – [0])^[1]
• IPA^(key): [ɡa̠ibɯ̟̃ɴ]

外(がい)分(ぶん) • (gaibun) 

1. (geometry) exterior division ("dividing" a line segment ${\displaystyle AB}$ by a point ${\displaystyle P}$ on the line extending ${\displaystyle AB}$ but not on the segment, resulting in two segments ${\displaystyle AP}$ and ${\displaystyle PB}$)

   Antonym: 内(ない)分(ぶん) (naibun)

外(がい)分(ぶん)する • (gaibun suru) suru (stem 外(がい)分(ぶん)し (gaibun shi), past 外(がい)分(ぶん)した (gaibun shita))

1. (geometry) to divide externally (to "divide" a line segment ${\displaystyle AB}$ by a point ${\displaystyle P}$ on the line extending ${\displaystyle AB}$ but not on the segment, resulting in two segments ${\displaystyle AP}$ and ${\displaystyle PB}$)

   Antonym: 内(ない)分(ぶん)する (naibun suru)