biology

play
noun bi·ol·o·gy \bī-ˈä-lə-jē\

Definition of biology

  1. 1 :  a branch of knowledge that deals with living organisms and vital processes advances in the field of biology a biology textbook

  2. 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

biologist

play \-jist\ noun

Examples of biology in a Sentence

  1. advances in the field of biology

  2. the biology of the rain forest

  3. the biology of tumor cells

Recent Examples of biology from the Web

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


BIOLOGY Defined for English Language Learners

biology

play
noun

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

biology

play
noun bi·ol·o·gy \bī-ˈä-lə-jē\

Definition of biology for Students

  1. :  a science that deals with living things and their relationships, distribution, and behavior


Medical Dictionary

biology

play
noun bi·ol·o·gy \-jē\

Medical Definition of biology

plural

biologies

  1. 1:  a branch of science that deals with living organisms and vital processes

  2. 2a:  the plant and animal life of a region or environmentb:  the laws and phenomena relating to an organism or group

  3. 3:  a treatise on biology



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