coelostat

n. [天]定天镜( 观测或拍摄天体时镜面与地轴一同转动可使图像固定不动)

词形变化

coelostats 复数 coelostats

别名

cælostat caelostat cœlostat

释义与例句

n.
  1. 1.

    A device that rotates a telescope so as to keep its orientation constant with relation to the stars.

    天文

词源

Related to Latin coelestis (“sky”), corrupted form of caelestis, + -stat.

来源：wiktionary