/ naɪs; NAmE / noun
[ U ] ( geology ) a type of metamorphic rock formed at high pressure and temperature deep in the ground
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WORD ORIGIN
mid 18th cent.: from German , from Old High German gneisto spark (because of the rock's sheen).
/ naɪs; NAmE / noun
[ U ] ( geology ) a type of metamorphic rock formed at high pressure and temperature deep in the ground
••
WORD ORIGIN
mid 18th cent.: from German , from Old High German gneisto spark (because of the rock's sheen).
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005