CASSEGRAIN TELESCOPE


Meaning of CASSEGRAIN TELESCOPE in English

[ 'kasɪgreɪn ]

■ noun a reflecting telescope in which light reflected from a secondary mirror passes through a hole in the primary mirror.

Origin

C19: named after N. Cassegrain , the French astronomer who devised it.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.