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From bio- +‎ chemistry.


  • IPA(key): /ˌbaɪəʊˈkɛmɪstɹi/
  • (file)


biochemistry (countable and uncountable, plural biochemistries)

  1. (uncountable) The chemistry of those compounds that occur in living organisms, and the processes that occur in their metabolism and catabolism
  2. (countable) The chemical characteristics of a particular living organism
    The biochemistries of fungal and bacterial cells are quite distinct.
    • 2012, Caspar Henderson, The Book of Barely Imagined Beings, page 146:
      They [viruses] use more varied biochemistry than cellular life, storing their genetic information as both single- and double-stranded DNA as well as RNA.
  3. (countable) The biochemical activity associated with a particular chemical or condition
    Our study compared the biochemistries of epilepsy and Parkinson's.
    The biochemistry of NO differs from that of NO2.

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