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
But, as some research will reveal, they were surrounded by experts in a variety of fields, including biology, geology, and natural science.
—
Will McGough, Forbes.com, 26 Mar. 2025
Why parents love it: Both the Octonauts series and movie teaches kids about marine biology in a fun, delightful way.
—Anna Earl, Parents, 26 Mar. 2025
Since cells are our body’s most fundamental building block, self-engineering healthier cells is a systems biology way of reaching our fullest potential for health, longevity, and limitless possibility.
—Dr. Sharon Bergquist, TIME, 25 Mar. 2025
Treatments that showed small or no average benefit may still significantly help certain individuals based on their unique biology and other factors.
—Tom Gavin, EverydayHealth.com, 20 Mar. 2025
See All Example Sentences for biology
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Will McGough, Forbes.com, 26 Mar. 2025
Why parents love it: Both the Octonauts series and movie teaches kids about marine biology in a fun, delightful way.
—Anna Earl, Parents, 26 Mar. 2025
Since cells are our body’s most fundamental building block, self-engineering healthier cells is a systems biology way of reaching our fullest potential for health, longevity, and limitless possibility.
—Dr. Sharon Bergquist, TIME, 25 Mar. 2025
Treatments that showed small or no average benefit may still significantly help certain individuals based on their unique biology and other factors.
—Tom Gavin, EverydayHealth.com, 20 Mar. 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 29 Mar. 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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