transcription, транскрипция: [ noun ]
Date: 1928
: the highest and most densely ionized regular layer of the ionosphere occurring at night within the F region
transcription, транскрипция: [ noun ]
Date: 1928
: the highest and most densely ionized regular layer of the ionosphere occurring at night within the F region
Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003