GROUNDMASS


Meaning of GROUNDMASS in English

transcription, транскрипция: [ ˈgrau̇n(d)-ˌmas ]

noun

Date: 1879

: the fine-grained or glassy base of a porphyry in which the larger distinct crystals are embedded

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.