transcription, транскрипция: [ (ˌ)in-ˈstā-bəl ]
adjective
Etymology: Middle English, from Middle French or Latin; Middle French, from Latin instabilis, from in- + stabilis stable
Date: 15th century
: unstable
INSTABLE
Meaning of INSTABLE in English
Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003