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bio- Syllabification: bio-
Pronunciation: /ˈbīō/

Definition of bio- in English:


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


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

Definition of bio- in:
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