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
How does biology compare to similar and commonly confused words? Explore the most common comparisons:
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.
He’d hoped to assist in teaching a biology course after retiring, he said, but every attempt had gone nowhere.
He didn’t know the first thing about biology, but he did know he could bring the lessons of Lambeau to this AI lab.
Evolutionary biology explains this contrast through a basic principle: energy is limited, and species must divide it between reproduction and maintaining their bodies.
From Science Daily
Although these applications remain far off, the underlying biology is becoming clearer.
From Science Daily
Understanding how life began on Earth requires knowing how stars distribute the elements that make planets and biology possible.
From Science Daily
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.