biology
Americannoun
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the science of life or living matter in all its forms and phenomena, especially with reference to origin, growth, reproduction, structure, and behavior.
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the living organisms of a region.
the biology of Pennsylvania.
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the biological phenomena characteristic of an organism or a group of organisms.
She is studying the biology of worms, especially in regard to their reproductive behavior.
noun
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the study of living organisms, including their structure, functioning, evolution, distribution, and interrelationships
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the structure, functioning, etc, of a particular organism or group of organisms
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the animal and plant life of a particular region
Other Word Forms
- biologist noun
Etymology
Origin of biology
From the German word Biologie, dating back to 1805–15. See bio-, -logy
Compare meaning
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
For many years, biology textbooks have described protein movement inside cells as a largely random process called diffusion.
From Science Daily
One of biology's biggest questions is how Earth became home to such a vast range of plants and animals.
From Science Daily
It also opens new doors in nanophotonics, a field focused on controlling light at very small scales for uses in electronics, encryption, and biology.
From Science Daily
"We respectfully emphasise that womanhood and female biology are not uniform," they claimed.
From BBC
For biology, chemistry, or environmental science, he warned that finding a decent job often required studying all the way to a doctorate.
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.