SIDEREAL


Meaning of SIDEREAL in English

[ sʌɪ'dɪərɪəl ]

■ adjective relating to the distant stars, especially with reference to their apparent positions and diurnal motion.

Origin

C17: from L. sidereus (from sidus , sider- 'star') + -al .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.