semiaxis

n. [数](椭圆等的)半轴

词形变化

semiaxes 复数 semiaxes

释义与例句

n.
  1. 1.

    A line segment, joining the centre of a figure to an edge, that forms half of an axis of symmetry.

    数学

词源

From semi- + axis.

来源：wiktionary