Note: in AM, also use 'semiprecious'
Semi-precious stones are stones such as turquoises and amethysts that are used in jewellery but are less valuable than precious stones such as diamonds and rubies.
ADJ: usu ADJ n
Note: in AM, also use 'semiprecious'
Semi-precious stones are stones such as turquoises and amethysts that are used in jewellery but are less valuable than precious stones such as diamonds and rubies.
ADJ: usu ADJ n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012