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English definition of “biological”

biological

adjective     /ˌbaɪ.əˈlɒdʒ.ɪ.kəl/ US  /-ˈlɑː.dʒɪ-/
B2 connected with the natural processes of living things: the biological sciences Eating is a biological necessity!Animal and plant biology - general words [before noun] related by birth: She decided to search for her biological mother after her adoptive parents died.Family relations in general UK describes a substance used for cleaning that uses enzymes to remove dirt: biological washing powder → Compare non-bioCleaning agents using living matter, such as bacteria, to seriously harm and kill people and animals, and to damage crops: biological weapons/warfareArms and munitions in general biologically     /-i/ adverb biologically active/stable chemicalsAnimal and plant biology - general words
(Definition of biological adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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