astrobiology

noun

as·​tro·​bi·​ol·​o·​gy ˌa-strō-(ˌ)bī-ˈä-lə-jē How to pronounce astrobiology (audio)
astrobiologist noun

Examples of astrobiology in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Perseverance was built upon previous rover designs like Opportunity and Curiosity, but with a sharper focus on astrobiology and the long-term goal of returning Martian samples to Earth. Kenna Hughes-Castleberry, Space.com, 3 Sep. 2025 Some people believe that astrobiology is just a catchy buzzword used to garner headlines and secure funding. Big Think, 7 Aug. 2025 News outlets received a cryptic message about a big press event, where officials would unveil something of great significance related to astrobiology and extraterrestrials. F.d. Flam, Twin Cities, 6 Aug. 2025 Again, this clearly is an area of astrobiology that needs attention. Bruce Dorminey, Forbes.com, 15 July 2025 See All Example Sentences for astrobiology

Word History

Etymology

astro- + biology

First Known Use

1898, in the meaning defined above

Time Traveler
The first known use of astrobiology was in 1898

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Cite this Entry

“Astrobiology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astrobiology. Accessed 9 Sep. 2025.

Medical Definition

astrobiology

noun
as·​tro·​bi·​ol·​o·​gy -(ˌ)bī-ˈäl-ə-jē How to pronounce astrobiology (audio)
plural astrobiologies

More from Merriam-Webster on astrobiology

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