Meaning & use
exobiology
The branch of biology that studies the possibility and nature of life beyond Earth.
See it in a sentence
Exobiology researchers study extreme environments on Earth for clues about life on other planets.
The mission's instruments were designed to gather exobiology data from the Martian soil.
A note on using this word
Exobiology is now more often called astrobiology, though both terms refer to the same field of study.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Make it your own
Write a sentence using “exobiology”, then compare your use with the examples above.
Your draft stays on this page and is not sent anywhere.