n. Astron. an instrument with a rotating mirror that continuously reflects the light from the same area of sky allowing the path of a celestial body to be monitored.
[ L caelum sky + -STAT ]
n. Astron. an instrument with a rotating mirror that continuously reflects the light from the same area of sky allowing the path of a celestial body to be monitored.
[ L caelum sky + -STAT ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012