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 building, only about 15 years old, houses biology and chemistry classrooms and labs.
—
Asher Price, Axios, 12 Dec. 2024
While this event has become a source of amusement over time, the circumstances leading to the war and the reasons for its failure highlight the remarkable biology and resilience of these birds and offer insight into human-wildlife conflict.
—Scott Travers, Forbes, 26 Dec. 2024
We can all be viewed as the culmination of history, physics, and biology.
—Nikhil Krishnan, The New Yorker, 23 Dec. 2024
In other words, measuring the true rise of autism is complicated and not based on biology alone.
—Catherine Tan, TIME, 20 Dec. 2024
See all Example Sentences for biology 
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Asher Price, Axios, 12 Dec. 2024
While this event has become a source of amusement over time, the circumstances leading to the war and the reasons for its failure highlight the remarkable biology and resilience of these birds and offer insight into human-wildlife conflict.
—Scott Travers, Forbes, 26 Dec. 2024
We can all be viewed as the culmination of history, physics, and biology.
—Nikhil Krishnan, The New Yorker, 23 Dec. 2024
In other words, measuring the true rise of autism is complicated and not based on biology alone.
—Catherine Tan, TIME, 20 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 3 Jan. 2025.
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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