biology
noun
bi·ol·o·gy
bī-ˈä-lə-jē 
1
: a branch of knowledge that deals with living organisms and vital processes
advances in the field of biology
a biology textbook
2
a
: the plant and animal life of a region or environment
the biology of the rainforest
b
: the life processes especially of an organism or group
the biology of cancer cells
broadly
: ecology
Examples of biology in a Sentence
advances in the field of biology
the biology of the rain forest
the biology of tumor cells
Recent Examples on the Web
The reproductive biology and early life ecology of a common Caribbean brain coral, Diploria labyrinthiformis (Scleractinia: Faviinae)
Marine Science.
—
Sean Mowbray, Discover Magazine, 12 Dec. 2024
Mannion, a lifelong central New Yorker, was a biology and chemistry teacher for more than 20 years in the West Genesee Central School District before being elected to the New York state Senate in 2020.
—The Hill, 11 Dec. 2024
Trump doesn’t believe in Democracy, true, but these people don’t believe in biology.
—Bob Guccione Jr., SPIN, 10 Dec. 2024
The identification of the Orange gene not only confirms Little's predictions, but also reveals an entirely new pathway in pigment biology.
—Daniel R. Depetris, Newsweek, 6 Dec. 2024
See all Example Sentences for biology 
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Sean Mowbray, Discover Magazine, 12 Dec. 2024
Mannion, a lifelong central New Yorker, was a biology and chemistry teacher for more than 20 years in the West Genesee Central School District before being elected to the New York state Senate in 2020.
—The Hill, 11 Dec. 2024
Trump doesn’t believe in Democracy, true, but these people don’t believe in biology.
—Bob Guccione Jr., SPIN, 10 Dec. 2024
The identification of the Orange gene not only confirms Little's predictions, but also reveals an entirely new pathway in pigment biology.
—Daniel R. Depetris, Newsweek, 6 Dec. 2024
See all Example Sentences for biology
Dictionary Entries Near biology
Cite this Entry
“Biology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biology. Accessed 21 Dec. 2024.
Copy CitationKids Definition
biology
noun
bi·ol·o·gy
bī-ˈäl-ə-jē
1
: a branch of knowledge that deals with living organisms and life processes
2
a
: the plant and animal life of a region or environment
b
: the life processes of an organism or group
Etymology
from German Biologie "biology," derived from Greek bi-, bio- "life" and -logia "study, science"
Medical Definition
biology
noun
bi·ol·o·gy
-jē
plural biologies
1
: a branch of science that deals with living organisms and vital processes
2
a
: 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
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