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.
Repurposing that vintage kit for in-depth astrobiology was difficult—not least of all because of how hard the resulting data were to work with. Jacek Krywko, Scientific American, 30 Sep. 2025 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 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 18 Oct. 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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