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
David Nelson, a professor of biology at Southern Adventist University who has studied the growing range of Joro spiders, told NPR that a bite from one of these creatures might itch at worst or perhaps cause an allergic reaction.
—
Skyler Caruso, Peoplemag, 7 June 2024
And, in terms of biology, the numbers suggest a long-term population decline.
—Andre Mouchard, Orange County Register, 2 June 2024
The body and our instinctive expressions of our biology can go further.
—Jamie Lang, Variety, 17 May 2024
The findings carry implications for our fundamental understanding of biology and ecology, and also for wildlife conservation and forecasting the future of biodiversity under climate change.
—Lauren Leffer, Popular Science, 16 May 2024
See all Example Sentences for biology 
Skyler Caruso, Peoplemag, 7 June 2024
And, in terms of biology, the numbers suggest a long-term population decline.
—Andre Mouchard, Orange County Register, 2 June 2024
The body and our instinctive expressions of our biology can go further.
—Jamie Lang, Variety, 17 May 2024
The findings carry implications for our fundamental understanding of biology and ecology, and also for wildlife conservation and forecasting the future of biodiversity under climate change.
—Lauren Leffer, Popular Science, 16 May 2024
See all Example Sentences for biology
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'biology.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near biology
Cite this Entry
“Biology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biology. Accessed 11 Jun. 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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