biology
noun
bi·ol·o·gy
| \ bī-ˈä-lə-jē
\
\
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 forest
b
: the life processes especially of an organism or group
the biology of cancer cells
broadly
: ecology
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Other Words from biology
biologist
\ bī-ˈä-lə-jist
\
noun
\
noun
Examples of biology in a Sentence
advances in the field of biology
the biology of the rain forest
the biology of tumor cells
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Recent Examples on the Web
Through her many initiatives, Johnson has established herself as a leading expert on marine biology and environmental justice. — Kynala Phillips, Essence, "What Means More To You: Having A Title Or Making an Impact?," 8 Aug. 2019 But perhaps out of fear of being dragged back into the mire of racial theory, science classes today are largely silent on biology and identity—avoiding the legacy of racial science rather than actively teaching against it. — Charles King, Time, "American Students Are Taught Racism Is Bad—But They're Still Not Learning the Truth About Race," 6 Aug. 2019 But the real spirit of reproducibility is whether the biology is true and manifests itself across a variety of conditions. — Nicolas Rivero, Quartz, "Dirtier lab mice could make drug trials more reliable," 1 Aug. 2019 Here are some basics on weed seed biology: Undisturbed weed seeds tend to persist longer than seeds subjected to periodic tillage. — oregonlive.com, "Pull unsightly weeds as they pop or desired garden plants will suffer," 13 July 2019 Synthetic biology is the ultimate dual-use technology. — Rob Reid, Ars Technica, "Ars on your lunch break: There’s hope, and we’ll all be fine… probably," 20 June 2019 Synthetic biology is an emerging field focused on engineering biological molecules, like proteins or DNA. — Joanna Sugden, WSJ, "Nobel Chemistry Prize Is Awarded to Three Evolutionary Scientists," 3 Oct. 2018 More current research shows that social inequality, not biology, is to blame for most racial-health disparities. — Leila Mcneill, Smithsonian, "The Woman Who Challenged the Idea that Black Communities Were Destined for Disease," 6 June 2018 If biology is to future industries what physics and chemistry have been to industries past, that would be a feat of lasting value. — The Economist, "GenomicsSequencing the world," 23 Jan. 2018These 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.
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More Definitions for biology
biology
noun
English Language Learners Definition of biology
: 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
See the full definition for biology in the English Language Learners Dictionary
biology
noun
bi·ol·o·gy
| \ bī-ˈä-lə-jē
\
\
Kids Definition of biology
: a science that deals with living things and their relationships, distribution, and behavior
biology
noun
bi·ol·o·gy
| \ -jē
\
\
plural biologies
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 environment
b
: the laws and phenomena relating to an organism or group
3
: a treatise on biology
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