biology

noun
bi·​ol·​o·​gy | \ bī-ˈä-lə-jē \

Definition of biology

1 : a branch of knowledge that deals with living organisms and vital processes advances in the field of biology a biology textbook
2a : the plant and animal life of a region or environment the biology of the rain forest
b : the life processes especially of an organism or group the biology of cancer cells broadly : ecology

Keep scrolling for more

Other Words from biology

biologist \ bī-​ˈä-​lə-​jist \ noun

Examples of biology in a Sentence

advances in the field of biology the biology of the rain forest the biology of tumor cells
See More

Recent Examples on the Web

Season 2 sneak peek Previous SlideNext Slide There's plenty of biology as well as physics to be found on The Orville. Jennifer Ouellette, Ars Technica, "The Orville blends science fiction and science fact into a winning mix," 29 Dec. 2018 The limits of our knowledge of biology constrain the potential of any bioengineering effort. R. Daniel Bressler, Vox, "“Designer bugs”: how the next pandemic might come from a lab," 6 Dec. 2018 Photo: Ars Electronica via Flickr Architects have long drawn from the world of biology, but most of that inspiration has been metaphorical. Angela Chen, The Verge, "How slime molds and mussels could be the future of architecture," 27 Nov. 2018 At the most fundamental level of biology, people recognize the innate advantage of defining differences in species. Leslie Henderson, Scientific American, "Why Our Brains See the World as "Us" versus "Them"," 22 June 2018 Synthetic biology is an intriguing field, but there are plenty of things to consider. Kyle Mizokami, Popular Mechanics, "The Military Wants to Create Synthetic Life Forms to Track Enemies," 4 Dec. 2018 Of course, architects and designers have been inspired by biology for hundreds of years. Angela Chen, The Verge, "How slime molds and mussels could be the future of architecture," 27 Nov. 2018 Biology and the use of biology for design is more new. Angela Chen, The Verge, "How slime molds and mussels could be the future of architecture," 27 Nov. 2018 The professor, Anita Moss, is a senior lecturer specializing in human anatomy and human physiology in the UTSA biology department. Charlotte West, Teen Vogue, "University of Texas San Antonio Professor Allegedly Calls Police on Black Student for Putting Feet Up," 13 Nov. 2018

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.

See More

First Known Use of biology

1799, in the meaning defined at sense 1

History and Etymology for biology

German Biologie, from bi- + -logie -logy

Keep scrolling for more

Learn More about biology

Statistics for biology

Last Updated

18 Jan 2019

Look-up Popularity

Time Traveler for biology

The first known use of biology was in 1799

See more words from the same year

Keep scrolling for more

More Definitions for biology

biology

noun

English Language Learners Definition of biology

: 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

biology

noun
bi·​ol·​o·​gy | \ bī-ˈä-lə-jē \

Kids Definition of biology

: a science that deals with living things and their relationships, distribution, and behavior

biology

noun
bi·​ol·​o·​gy | \ -jē \
plural biologies

Medical Definition of biology

1 : a branch of science that deals with living organisms and vital processes
2a : the plant and animal life of a region or environment
b : the laws and phenomena relating to an organism or group
3 : a treatise on biology

Keep scrolling for more

More from Merriam-Webster on biology

Rhyming Dictionary: Words that rhyme with biology

Spanish Central: Translation of biology

Nglish: Translation of biology for Spanish Speakers

Britannica English: Translation of biology for Arabic Speakers

Comments on biology

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

WORD OF THE DAY

means, resources, or money

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ

Love words? Need even more definitions?

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