Definition of bio- in English:

bio-

Syllabification: bio-

combining form

  • 1Of or relating to life: biosynthesis
  • 1.1Biological; relating to biology: biohazard
  • 1.2Of living beings: biogenesis
  • 2Relating to or involving the use of toxic biological or biochemical substances as weapons of war: bioterrorism

Origin

from Greek bios '(course of) human life'. The sense is extended in modern scientific usage to mean 'organic life'.

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Pronunciation: kərf
noun
a slit made by cutting with a saw