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

Definition of astrobiology

Keep scrolling for more

Other Words from astrobiology

astrobiologist \ ˌa-​strō-​(ˌ)bī-​ˈä-​lə-​jist How to pronounce astrobiologist (audio) \ noun

Examples of astrobiology in a Sentence

Recent Examples on the Web

The 22-year-old just graduated Wellesley College with degrees in astrobiology and Russian. Ashley Strickland, CNN, "Meet Abby, the 22-year-old who wants to be the first astronaut on Mars," 13 July 2019 This field of astrobiology is a field of people who think about life on other planets. Isaac Chotiner, The New Yorker, "What If Life Did Not Originate on Earth?," 8 July 2019 Cockell is a professor of astrobiology at the University of Edinburgh. Charles S. Cockell, WSJ, "The Limits of Extra-Terrestrial Freakiness," 7 June 2018 The mission will act as a vital link in China’s burgeoning network of robotic spacecraft around and on the moon while also performing novel scientific experiments that could lead to new discoveries in cosmology, astrophysics and astrobiology. Leonard David, Scientific American, "Comsat Launch Bolsters China's Dreams for Landing on the Moon's Far Side," 22 May 2018 Abigail attends Wellesley College, double majoring in astrobiology and Russian. Kristen Bobst, Teen Vogue, "Aspiring Astronaut Abigail Harrison Wants to be the First Person on Mars," 27 Apr. 2018 One idea being explored in astrobiology is whether some prebiotic organic molecules could have been delivered to Earth by meteorites or dust grains. Luba Ostashevsky, Ars Technica, "How did life begin? It’s Chemistry 101, but in space," 26 Feb. 2018 Last semester, 25 students took Guinan's class on astrobiology, about the possibility of life elsewhere in the universe. Author: Kenneth Chang, Anchorage Daily News, "If we ever get to Mars, the beer might not be bad," 13 Jan. 2018 Last semester, 25 students took Dr. Guinan’s class on astrobiology, about the possibility of life elsewhere in the universe. Kenneth Chang, New York Times, "If We Ever Get to Mars, the Beer Might Not Be Bad," 12 Jan. 2018

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

See More

First Known Use of astrobiology

1898, in the meaning defined above

Keep scrolling for more

Learn More about astrobiology

Statistics for astrobiology

Last Updated

17 Sep 2019

Look-up Popularity

Time Traveler for astrobiology

The first known use of astrobiology was in 1898

See more words from the same year

Keep scrolling for more

More Definitions for astrobiology


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

Medical Definition of astrobiology

More from Merriam-Webster on astrobiology Encyclopedia article about astrobiology

Comments on astrobiology

What made you want to look up astrobiology? Please tell us where you read or heard it (including the quote, if possible).


transposition of initial sounds of words

Get Word of the Day daily email!

Test Your Vocabulary

Word Puzzles

  • alt 57589b2b4c6a3
  • Which answer pairs best with each of the following words? living, estate, club, music, road, mile
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!