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Dictionary

al•tim•e•ter

Pronunciation: (al-tim'i-tur, al'tu-mē"tur), [key]
—n.
1. a sensitive aneroid barometer that is graduated and calibrated, used chiefly in aircraft for finding distance above sea level, terrain, or some other reference point by a comparison of air pressures.
2. any device used for the same purpose that operates by some other means, as by radio waves.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

altigraph

altimetry

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