millibar

noun

mil·​li·​bar ˈmi-lə-ˌbär 

: a unit of atmospheric pressure equal to ¹/₁₀₀₀ bar or 100 pascals

Examples of millibar in a Sentence

Recent Examples on the Web

Erin is currently moving west-northwest at about 14 mph, with a minimum central pressure near 940 millibars and maximum sustained winds near 125 mph, according to the latest NHC advisory issued Sunday morning. —Hollie Silverman, MSNBC Newsweek, 17 Aug. 2025

Although the Category of a hurricane is based on its sustained winds, a more accurate measurement of a storm's intensity is its central pressure, measured in millibars. —Eric Berger, ArsTechnica, 16 Aug. 2025

In addition to millibars, pressure is sometimes measured using a unit called atmosphere (atm). —Joseph Hernandez, Kansas City Star, 5 Mar. 2025

The central pressure in Tuesday's storm fell 1.71 inches, or 58 millibars, according to AccuWeather, representing more than double the intensity criteria required to classify as a bomb cyclone. —Gabe Hauari, USA TODAY, 21 Nov. 2024

Word History

Etymology

International Scientific Vocabulary

First Known Use

1910, in the meaning defined above

Rhymes for millibar

• abattoir
• alcazar
• autocar
• avatar
• belshazzar
• caviar
• caviare
• cinnabar
• commissar
• condylar
• deodar
• handlebar

Kids Definition

millibar

noun

mil·​li·​bar ˈmil-ə-ˌbär 

: a unit used in measuring atmospheric pressure equal to ¹⁄₁₀₀₀ bar

Medical Definition

millibar

noun

mil·​li·​bar ˈmil-ə-ˌbär 

: a unit of atmospheric pressure equal to ¹/₁₀₀₀ bar or 1000 dynes per square centimeter

—abbreviation mbar