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 University of Chicago has been given a $21 million private donation to establish a new center focused on merging quantum engineering with biology in the search for medical breakthroughs.
—
Michael T. Nietzel, Forbes.com, 6 June 2025
Researchers can learn vital lessons about human evolution from such unique adaptations, says Ben Trumble, an Arizona State University biologist who specializes in human biology and was not involved in the new study.
—Gayoung Lee, Scientific American, 2 June 2025
These, the team say, are preserved well enough to still reveal information about the dinosaur's biology.
—Lydia Patrick, MSNBC Newsweek, 2 June 2025
Williams will attend the University of Indianapolis this fall to study biology, with the goal of becoming an emergency medical technician.
—Post-Tribune, Chicago Tribune, 1 June 2025
See All Example Sentences for biology
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Michael T. Nietzel, Forbes.com, 6 June 2025
Researchers can learn vital lessons about human evolution from such unique adaptations, says Ben Trumble, an Arizona State University biologist who specializes in human biology and was not involved in the new study.
—Gayoung Lee, Scientific American, 2 June 2025
These, the team say, are preserved well enough to still reveal information about the dinosaur's biology.
—Lydia Patrick, MSNBC Newsweek, 2 June 2025
Williams will attend the University of Indianapolis this fall to study biology, with the goal of becoming an emergency medical technician.
—Post-Tribune, Chicago Tribune, 1 June 2025
See All Example Sentences for biology
Cite this Entry
“Biology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biology. Accessed 10 Jun. 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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