transcription, транскрипция: [ -və-ˈlä-sə-tē, -ˈläs-tē ]
noun
Date: 1949
: a high or relatively high velocity (as thousands of feet or meters per second)
HYPERVELOCITY
Meaning of HYPERVELOCITY in English
Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003