altimeter

[ al-tim-i-ter, al-tuh-mee-ter ]

/ ælˈtɪm ɪ tər, ˈæl təˌmi tər /

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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.

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Origin of altimeter

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

Words nearby altimeter

although, Althusser, alti-, altigraph, altiloquent, altimeter, altimetry, Altiplano, altissimo, altitude, altitude chamber

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use altimeter in a sentence

They include a three-axis accelerometer, an optical heart rate monitor, altimeter, GPS, and relative SpO2 sensor.
Fitbit Charge 4 review: A smart, streamlined fitness tracker watch|Billy Cadden|June 25, 2021|Popular-Science
It has a three-axis compass, a barometric altimeter, and multiple GPS connections built right in.
Best Amazon Prime deals on outdoor gear: Find top Amazon Prime Day 2021 discounts|Billy Cadden|June 22, 2021|Popular-Science
On top of that, it also comes with a sophisticated array of sensors, including an optical heart rate monitor, built-in GPS, 3-axis accelerometer, altimeter, and more-all working to provide you with the most accurate health data possible.
10 unique deals that you’ll find here with better than Amazon pricing|Quinn Gawronski|June 21, 2021|Popular-Science
If you do jump from Series 5 to Series 6, you’ll get faster charging, blood oxygen monitoring, the U1 chip, and an always-on altimeter, which I have never actively used.
Apple Watch Series 6 review: Still the best smartwatch for iPhone users|Billy Cadden|June 15, 2021|Popular-Science

The helicopter has its own on-board computer, heater, guidance system, cameras and laser altimeter.
How NASA's Mars Helicopter Flight Opens the Door to More Ambitious Missions|Jeffrey Kluger|April 19, 2021|Time
Some trackers come with a built in altimeter to keep you honest on the number of stairs you take each day.
7 FitBit Hacks to Burn More Calories in 2014|Megan Humphreys|January 6, 2014|DAILY BEAST
A tracker with an altimeter will give you a far more accurate picture of calories-burned.
How to Find the Best Fitness Tracker for You|Brent Rose|November 20, 2013|DAILY BEAST
The best fitness trackers have a built-in altimeter, which measures elevation.
How to Find the Best Fitness Tracker for You|Brent Rose|November 20, 2013|DAILY BEAST
And always the quivering needle crept up to new marks of speed, while their altimeter marked off the passing levels.
Astounding Stories, May, 1931|Various
He glanced up at the altimeter needle, which was sliding by the 24,000-foot mark.
Warning from the Stars|Ron Cocking
When he checked the altimeter again, it registered just over 30,000 feet.
Warning from the Stars|Ron Cocking
The altimeter showed slightly over forty-two miles when stage two detached itself.
Tight Squeeze|Dean Charles Ing
Altimeter, al-tim′e-tėr, n. an instrument for measuring heights.
Chambers's Twentieth Century Dictionary (part 1 of 4: A-D)|Various

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

Scientific definitions for altimeter

altimeter

[ ăl-tĭm′ĭ-tər ]

An instrument that measures and indicates the height above sea level at which an object, such as an airplane, is located.