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.
Rats share many key aspects of mammalian biology and can be raised under tightly controlled conditions, including identical diets.
From Science Daily
By demonstrating that dinosaur eggshells can reliably record geologic time, the study creates a new connection between biology and Earth science and provides researchers with a valuable tool for dating fossil sites worldwide.
From Science Daily
It might also be worth remembering some basics of human biology.
From Salon
The report is based on two years of testing the abilities of more than 30 unnamed advanced AIs - covering areas critical to security, including cyber skills, chemistry and biology.
From BBC
Addiction is a complex disorder with intermingled roots in genetics, biology and environmental triggers.
From Los Angeles Times
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.