biological Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
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Meaning of “biological” in the English Dictionary

"biological" in British English

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biologicaladjective

uk   /ˌbaɪ.əˈlɒdʒ.ɪ.kəl/  us   /ˌbaɪ.əˈlɑː.dʒɪ.kəl/
B2 connected with the natural processes of living things: the biological sciences Eating is a biological necessity!
[before noun] related by birth: She decided to search for her biological mother after her adoptive parents died.
UK used to describe a substance used for cleaning that uses enzymes to remove dirt: biological washing powder
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using living matter, such as bacteria, to seriously harm and kill people and animals, and to damage crops: biological weapons/warfare

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biologically
adverb uk   /ˌbaɪ.əˈlɒdʒ.ɪ.kəl.i/  us   /ˌbaɪ.əˈlɑː.dʒɪ.kəl.i/
biologically active/stable chemicals
(Definition of biological from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"biological" in American English

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biologicaladjective [not gradable]

 us   /ˌbɑɪ·əˈlɑdʒ·ɪ·kəl/
relating to the natural processes of living things: the biological sciences
Biological also means being related through birth: the biological father/mother/parents
(Definition of biological from the Cambridge Academic Content Dictionary © Cambridge University Press)
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“biological” in British English

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