plural of altitude

The absolute height of a location, usually measured from sea level. / A vertical distance. / (geometry) The distance measured perpendicularly from a figure's vertex to the opposite side of the vertex.

(medicine) A pathological condition caused by oxygen deficiency at high altitudes; symptoms include shortness of breath, nausea, and nosebleed.

(aviation) The vertical distance between the airplane and the surface below.

the altitude at which atmospheric pressure becomes constant as altitude increases

plural of critical altitude

(aviation) A measure of altitude inferred by the measurement of ambient pressure in differential with a reference pressure at a known altitude.

(idiomatic, archaic) drunk.

plural of absolute altitude

plural of pressure altitude