follow Dictionary.com

Get the details behind our redesign

barometer

[buh-rom-i-ter] /bəˈrɒm ɪ tər/
noun
1.
Meteorology. any instrument that measures atmospheric pressure.
2.
anything that indicates changes.
Origin
1655-1665
1655-65; baro- + -meter
Related forms
barometric
[bar-uh-me-trik] /ˌbær əˈmɛ trɪk/ (Show IPA),
barometrical, adjective
barometrically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples for barometers
  • Aneroid barometers sold for domestic use seldom go to the trouble.
British Dictionary definitions for barometers

barometer

/bəˈrɒmɪtə/
noun
1.
an instrument for measuring atmospheric pressure, usually to determine altitude or weather changes
2.
anything that shows change or impending change the barometer of social change
Derived Forms
barometric (ˌbærəˈmɛtrɪk), barometrical, adjective
barometrically, adverb
barometry, noun
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
Cite This Source
Word Origin and History for barometers
barometer
1660s, from Gk. baros "weight" (from barys "heavy;" see grave (adj.)) + metron "measure" (see meter (2)). Probably coined (and certainly popularized) by English scientist Robert Boyle (1627-1691).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
barometers in Science
barometer
  (bə-rŏm'ĭ-tər)   
An instrument for measuring atmospheric pressure. Barometers are used in determining height above sea level and in forecasting the weather. The two primary types of barometers are the aneroid and the mercury barometer.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
barometers in Culture

barometer definition


An instrument that measures atmospheric pressure.

Note: In general, when the barometer falls in response to a drop in pressure, bad weather is approaching; when the barometer rises because of an increase in pressure, good weather will follow.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Word of The Day

Difficulty index for barometer

Some English speakers likely know this word

Word Value for barometers

14
16
Scrabble Words With Friends