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Definition of "biology" [bi•ol•o•gy]

  • The science of life and of living organisms, including their structure, function, growth, origin, evolution, and distribution. It includes botany and zoology and all their subdivisions. (noun)
  • The life processes or characteristic phenomena of a group or category of living organisms: the biology of viruses. (noun)
  • The plant and animal life of a specific area or region. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "biology" in a sentence
  • "This led to a bachelor's degree in biology from the University of South Carolina in 1948 and a master's degree in microbiology from the University of Tennessee in 1949."
  • "You have failed to show that nested hierarchy in biology is any different from any other nested hierarchy."
  • "Knowledge gained in biology is being transferred to engineering."