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
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The findings may also influence astrobiology research. Kaif Shaikh, Interesting Engineering, 25 May 2026 The discovery may also inform fields such as biotechnology and astrobiology, where scientists explore how life might persist in extreme or extraterrestrial environments. Brittany Miller, FOXNews.com, 25 Apr. 2026 In the decades since, Boston has pioneered the study of caves as ideal spaces to advance astrobiology, a field focused on the possibility of life in extraterrestrial environments. Becky Ferreira, Wired News, 15 Apr. 2026 This has relevance in astrobiology, where scientists consider what forms life might take on other planets, or even on moons with intense radiation or desiccating conditions. Biotechnology. Scott Travers, Forbes.com, 15 Mar. 2026 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 29 May. 2026.

Medical Definition

astrobiology

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

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