一点邻域 yī diǎn lín yù

DEFINITIONS

  1. (math.) neighborhood of a point

CHARACTERS

一 yī
HSK 1
one; a, an; alone
点 diǎn
HSK 1
dot, speck, spot; point, degree
邻 lín
HSK 3
neighbor; neighborhood
域 yù
HSK 5
district, region, boundary; land