altitude
Concise Oxford English Dictionary © 2008 Oxford University Press:
altitude/ˈaltɪtjuːd/
▶noun the height of an object or point in relation to sea level or ground level.
■ Astronomy the apparent height of a celestial object above the horizon, measured in angular distance.
■ Geometry the length of the perpendicular line from a vertex to the opposite side of a figure.
– derivatives
altitudinal adjective.
altitudinal adjective.
– origin ME: from L. altitudo, from altus ‘high’.
'altitude' also found in these Oxford entries:
almucantar
- altazimuth
- altimeter
- altimetry
- altitude sickness
- altocumulus
- altostratus
- angel
- barometer
- ceiling
- cirrocumulus
- cirrostratus
- cirrus
- cloud base
- cumulonimbus
- cumulus
- flight envelope
- gnomon
- hedge-hop
- inversion
- lapse rate
- low-lying
- mesosphere
- mountain sickness
- observation
- ozone layer
- pressurize
- puna
- snowline
- spot height
- sun
- thruster
- treeline
- trim
- vapour trail
