altimeter

noun
al·​tim·​e·​ter | \al-ˈti-mə-tər, ˈal-tə-ˌmē-tər \

Definition of altimeter 

: an instrument for measuring altitude especially : an aneroid barometer designed to register changes in atmospheric pressure accompanying changes in altitude

Keep scrolling for more

Other Words from altimeter

altimetry \ al-​ˈti-​mə-​trē \ noun

Examples of altimeter in a Sentence

Recent Examples on the Web

Instead of reacting to the weather, prepare for it with this waterproof watch that features a storm alarm, weather-predicting barometer, thermometer, altimeter, and compass. Janna Irons, Outside Online, "Essential Gear for Road-Trip Season," 23 Apr. 2018 The two-year survey used small Twin Otter planes, sensors detecting gravity and magnetism, as well as radar and laser altimeter tools. David Grossman, Popular Mechanics, "Three Giant Antarctic Valleys Found Hidden Under Ice," 25 May 2018 The estate originally encompassed about 24 acres, but was later expanded to its current size by Paul Kollsman, inventor of the altimeter, during his decades of ownership. Roger Vincent, latimes.com, "Paul Allen puts a $150-million price on storied acreage in Beverly Crest," 11 July 2018 While the radar altimeter displays the height of the landing gear above the ground, things are happening too fast to use it in the flare. John Cox, USA TODAY, "Ask the Captain: It takes skill to make a smooth landing," 20 May 2018 Northwestern, the first team to proceed, unfortunately was disqualified after their altimeter failed and did not record the altitude. Scientific American, "The 2017 Alka-Rocket Challenge Wrap Up," 10 Nov. 2017 With a combination of high-resolution cameras, stereo images, altimeters, and spectrometers, Mars Express has revealed Mars in new and fascinating ways. Eric Berger, Ars Technica, "Mars Express has revealed the Red Planet in stunning new ways," 1 June 2018 Other hardware perks include Fitbit's standard optical heart-rate monitor, a tri-axis accelerometer and gyroscope, an altimeter, and storage for about 300 songs. Valentina Palladino, Ars Technica, "Fitbit Versa review: Slowly but surely pushing Fitbit past the “fit” bit," 26 Mar. 2018 Pilots also monitor the altimeter, which is increasing, and the vertical speed indicator for a positive climb. John Cox, USA TODAY, "Ask the Captain: How pilots execute takeoffs," 22 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'altimeter.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of altimeter

1904, in the meaning defined above

History and Etymology for altimeter

Latin altus + English -meter

Keep scrolling for more

Learn More about altimeter

Statistics for altimeter

Look-up Popularity

Time Traveler for altimeter

The first known use of altimeter was in 1904

See more words from the same year

Keep scrolling for more

More Definitions for altimeter

altimeter

noun

English Language Learners Definition of altimeter

: an instrument used for measuring the altitude of something (such as an airplane or a mountain)

More from Merriam-Webster on altimeter

See words that rhyme with altimeter

Britannica.com: Encyclopedia article about altimeter

Comments on altimeter

What made you want to look up altimeter? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a private place of worship

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!