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
Typically, the rate is around 1 millibar per hour for 24 hours.
—
Marshall Shepherd, Forbes.com, 24 Feb. 2026
That's when a storm drops at least 24 millibars in pressure in 24 hours.
—Arkansas Online, 23 Feb. 2026
That’s when a storm drops at least 24 millibars in pressure in 24 hours.
—Anthony Izaguirre, Los Angeles Times, 22 Feb. 2026
Under Martian atmospheric pressures, 6 to 10 millibars or about 1/100th that of Earth's, CO2 doesn't melt into a liquid.
—Daisy Dobrijevic, Space.com, 13 Feb. 2026
See All Example Sentences for millibar
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Marshall Shepherd, Forbes.com, 24 Feb. 2026
That's when a storm drops at least 24 millibars in pressure in 24 hours.
—Arkansas Online, 23 Feb. 2026
That’s when a storm drops at least 24 millibars in pressure in 24 hours.
—Anthony Izaguirre, Los Angeles Times, 22 Feb. 2026
Under Martian atmospheric pressures, 6 to 10 millibars or about 1/100th that of Earth's, CO2 doesn't melt into a liquid.
—Daisy Dobrijevic, Space.com, 13 Feb. 2026
See All Example Sentences for millibar
Cite this Entry
“Millibar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millibar. Accessed 1 May. 2026.
Copy CitationKids 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
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