[ 'altɪmi:tə ]
■ noun an instrument for determining altitude attained, especially a barometric or radar device fitted in an aircraft.
Origin
early 20th cent.: from L. altus 'high' + -meter .
ALTIMETER
Meaning of ALTIMETER in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004