altitude

 
Pronunciation: /ˈaltɪtjuːd/

noun

[mass noun]
  • the height of an object or point in relation to sea level or ground level: flight data including airspeed and altitude [count noun]: flying at altitudes over 15,000 feet
  • great height: the mechanism can freeze at altitude
  • 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

Pronunciation: /altɪˈtjuːdɪn(ə)l/
adjective

Origin:

late Middle English: from Latin altitudo, from altus 'high'