ULTRAMICRO
Meaning of ULTRAMICRO in English
transcription, транскрипция: [ ˌəl-trə-ˈmī-(ˌ)krō ]
adjective
Date: 1937
: being or dealing with something smaller than micro
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003