Definition of biology noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//baɪˈɒlədʒi//
    ; NAmE NAmE//baɪˈɑːlədʒi//
    [uncountable] Subjects and courses
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  1. 1   the scientific study of the life and structure of plants and animals a degree in biology compare botany, zoology Wordfinderbiology, biotechnology, breed, cell, chromosome, DNA, gene, mutation, organism, protein See related entries: Subjects and courses
  2. 2  the way in which the body and cells of a living thing behave How far is human nature determined by biology? the biology of marine animals
  3. Word Originearly 19th cent.: coined in German, via French from Greek bios ‘life’ + -logy.
See the Oxford Advanced American Dictionary entry: biology