Definition of biology
- advances in the field of biology
- a biology textbook
- the biology of the rain forest
- the biology of cancer cells
advances in the field of biology
the biology of the rain forest
the biology of tumor cells
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 1799See Words from the same year
: a science that deals with things that are alive (such as plants and animals)
: the plant and animal life of a particular place
: the processes that occur in a living thing
What made you want to look up biology? Please tell us where you read or heard it (including the quote, if possible).
Merriam-Webster's New Words Quiz—Fall 2017 Edition!
Can you spell these 10 commonly misspelled words?TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.TAKE THE QUIZ