ˌmother-of-ˈpearl BrE AmE noun [uncountable]
a pale-coloured hard smooth shiny substance that forms the inside of some ↑ shellfish , and is used for making buttons, jewellery etc
ˌmother-of-ˈpearl BrE AmE noun [uncountable]
a pale-coloured hard smooth shiny substance that forms the inside of some ↑ shellfish , and is used for making buttons, jewellery etc
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012