mi·​cro·​me·​te·​or·​oid | \ ˌmī-krō-ˈmē-tē-ə-ˌrȯid How to pronounce micrometeoroid (audio) \

Definition of micrometeoroid

Examples of micrometeoroid in a Sentence

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Currently, very little data exists that describe what effect temperature extremes, lunar dust, micrometeoroids, solar radiation, etc. Joe Pappalardo, Popular Mechanics, "The U.S. Doesn't Want Anyone Messing With the Apollo Landing Sites," 23 Mar. 2018 What works in Webb's favor is the micro part of micrometeoroid: even at high speed, the particles don't have the mass to do catastrophic damage. Jeffrey Kluger, Time, "Eyes In the Sky," 22 June 2017

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

First Known Use of micrometeoroid

1954, in the meaning defined above

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The first known use of micrometeoroid was in 1954

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to take the place or position of

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