millibar

noun

mil·​li·​bar ˈmi-lə-ˌbär How to pronounce millibar (audio)
: a unit of atmospheric pressure equal to ¹/₁₀₀₀ bar or 100 pascals

Example Sentences

Recent Examples on the Web The European weather model simulates that temperatures at the 850 millibar level, about a mile above the ground, are in the unprecedented category. Matthew Cappucci, Washington Post, 22 June 2022 Typically, a range in millibar change is around 10 to 15 in that same timeframe. Julia Musto, Fox News, 21 Oct. 2021 One way to gauge the magnitude of a heat dome is to measure the height of the typical halfway point of the lower atmosphere — at the 500 millibar pressure level. Washington Post, 10 July 2021 One way to gauge the magnitude of a heat wave is to measure the height of the typical halfway point of the atmosphere - at the 500 millibar pressure level. Anchorage Daily News, 19 June 2021 One way to gauge the magnitude of a heat wave is to measure the height of the typical halfway point of the atmosphere — at the 500 millibar pressure level. Washington Post, 18 June 2021 This number shows the last three digits of a station’s air-pressure reading to the nearest tenth of a millibar (mb); the last number actually comes after the decimal point. Dennis Mersereau, Outside Online, 15 Oct. 2020 The definition of a bomb cyclone is a storm that drops 24 millibars in 24 hours, going through a process known as bombogenesis. NBC News, 7 May 2020 The all-time lowest pressure on record for a North Atlantic storm hit 913 millibars in January 1993 near Scotland's Shetland Islands, according to Weather Underground weather historian Christopher Burt. Doug Stanglin, USA TODAY, 15 Feb. 2020 See More

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

Word History

Etymology

International Scientific Vocabulary

First Known Use

1910, in the meaning defined above

Time Traveler
The first known use of millibar was in 1910

Dictionary Entries Near millibar

Cite this Entry

“Millibar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millibar. Accessed 29 Nov. 2022.

Kids Definition

millibar

noun

mil·​li·​bar ˈmil-ə-ˌbär How to pronounce millibar (audio)
: a unit used in measuring atmospheric pressure equal to frac::1/1000 bar

Medical Definition

millibar

noun

mil·​li·​bar ˈmil-ə-ˌbär How to pronounce millibar (audio)
: a unit of atmospheric pressure equal to ¹/₁₀₀₀ bar or 1000 dynes per square centimeter
abbreviation mbar

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