altimeter

[ al-tim-i-ter, al-tuh-mee-ter ]
/ ælˈtɪm ɪ tər, ˈæl təˌmi tər /
|

noun

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.
any device used for the same purpose that operates by some other means, as by radio waves.

Nearby words

  1. although,
  2. althusser,
  3. alti-,
  4. altigraph,
  5. altiloquent,
  6. altimetrical,
  7. altimetrically,
  8. altimetry,
  9. altiplano,
  10. altissimo

Origin of altimeter

First recorded in 1820–30; alti- + -meter

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for altimeter


British Dictionary definitions for altimeter

altimeter

/ (ælˈtɪmɪtə, ˈæltɪˌmiːtə) /

noun

an instrument that indicates height above sea level, esp one based on an aneroid barometer and fitted to an aircraft
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for altimeter

altimeter

n.

1918, from Modern Latin altimeter, from alti- "high" (from Latin altus; see old) + -meter.

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for altimeter

altimeter

[ ăl-tĭmĭ-tər ]

An instrument that measures and indicates the height above sea level at which an object, such as an airplane, is located.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.