transcription, транскрипция: [ noun ]
Date: 1802
: a valve that opens and closes a passageway by sliding over a port ; specifically : such a valve often used in steam engines for admitting steam to the piston and releasing it
SLIDE VALVE
Meaning of SLIDE VALVE in English
Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003