(~s)
1.
A ~ is a precious stone which is blue in colour.
...a ~ engagement ring.
N-VAR: oft N n
2.
Something that is ~ is bright blue in colour. (LITERARY)
...white snow and ~ skies.
COLOUR
(~s)
1.
A ~ is a precious stone which is blue in colour.
...a ~ engagement ring.
N-VAR: oft N n
2.
Something that is ~ is bright blue in colour. (LITERARY)
...white snow and ~ skies.
COLOUR
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012