Altitude

/ˈæltɪtjˌuːd/

/ˈæɫtəˌtud/

Altitude

the distance between an object or point and sea level

synonyms : height

angular distance above the horizon (especially of a celestial object)

synonyms : ALT

the perpendicular distance from the base of a geometric figure to the opposite vertex (or side if parallel)

Examples

1. The helicopter quickly gains altitude.

2. [Air Traffic Control] South Air 227, say altitude.

3. Altitude lights out.

4. Attitude not altitude.