Definition of biology
1 : a branch of knowledge that deals with living organisms and vital processes advances in the field of biology a biology textbook
2a : the plant and animal life of a region or environment the biology of the rain forestb : the life processes especially of an organism or group the biology of cancer cells; broadly : ecology
biologistplay \-jist\ noun
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 of biology from the Web
One of biology’s living legends, the now 78-year-old scientist played an influential role in the development of the first automated DNA sequencer.
Riel-Mehan, 33, who works in molecular-biology visualization at the Allen Institute in Seattle, joined the Town Hall Project in January.
The Canadian wildlife biology student was surprised when the smaller of the tarantulas started drumming, or tapping its legs with increasing frequency.
Speaker: David George Haskell, professor of biology at The University of the South and author of The Songs of Trees.
Straying is a natural aspect of Pacific salmon biology, Peter Westley, assistant professor at University of Alaska Fairbanks, said.
Conte developed a strong functional understanding of the biology of human performance and enhancement.
Being able to keep a beat through percussion is a deep-rooted part of human biology.
Since zebra mussels only arrived in Texas in 2009, more study is needed, said Robert McMahon, professor emeritus of biology at the University of Texas at Arlington.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of biology
German Biologie, from bi- + -logie -logy
First Known Use: 1799See Words from the same year
BIOLOGY Defined for English Language Learners
Definition of biology for English Language Learners
: a science that deals with things that are alive (such as plants and animals)
: the plant and animal life of a particular place
: the processes that occur in a living thing
BIOLOGY Defined for Kids
Definition of biology for Students
: a science that deals with living things and their relationships, distribution, and behavior
Medical Definition of biology
1: a branch of science that deals with living organisms and vital processes
2a: the plant and animal life of a region or environmentb: the laws and phenomena relating to an organism or group
3: a treatise on biology
Seen and Heard
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