[ 'nʌɪkam ]
(also NICAM )
■ noun a digital system used in British television to provide video signals with high-quality stereo sound.
Origin
1980s: acronym from near instantaneously companded audio multiplex .
NICAM
Meaning of NICAM in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004