Definition of biology in English:


Syllabification: bi·ol·o·gy
Pronunciation: /bīˈäləjē
(abbreviation: biol.)


  • 1The study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
    More example sentences
    • An A level student at Sheldon School, Edward is studying biology, physics, chemistry and maths.
    • He managed to walk away with seven O-levels and started studying A-level biology, physics and chemistry.
    • Another, newer field, called systems biology or systems biomedicine, is emerging.
  • 1.1The plants and animals of a particular area: the biology of Chesapeake Bay
    More example sentences
    • We are out for pleasure, to check the biology of the area, and perhaps to get some pictures of marine species we have not seen before.
    • This data is not sufficient to properly assess impacts to the local biology given the probable long-term use of the shoal as a sand resource area.
    • Each of the presenters at the ICPRB conference, “Human Influences on the Biology of the Potomac River,” gave the basin a letter grade for different aspects of the river, based on their expertise.
  • 1.2The physiology, behavior, and other qualities of a particular organism or class of organisms: human biology
    More example sentences
    • Although I aced the exam and the class, the only biology I learnt that semester was animal behaviour.
    • What if the government charged him to set up a world class institute of marine biology?
    • In space it is possible to identify and isolate some unique characteristics of human physiology and biology.



More example sentences
  • Many conservationist and wildlife biologists in India all started as bird watchers.
  • Father Ramon Ruiz-Sanchez is a Jesuit priest, from Peru, and a botanist and biologist.
  • He continues to work as an environmental biologist - less tangential to his career as a writer than it might appear.


early 19th century: coined in German, via French from Greek bios 'life' + -logy.

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