transcription, транскрипция: [ ˈbyü-nə, ˈbü- ]
noun
Etymology: from a trademark
Date: 1936
: any of several rubbers made by polymerization or copolymerization of butadiene
BUNA
Meaning of BUNA in English
Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003