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English definition of “allotropy”

allotropy

noun [U]     /æˈlɒt.rə.piː/ US  /əˈlɑː.trə-/ specialized
the existence of the same chemical substance in more than one form, each with different physical qualitiesThe state of matterPhysical properties of solids, liquids and gases allotropic     /ˌæl.ə.ˈtrɒp.ɪk/ US  /-ˈtrɑː.pɪk/ adjective Diamond and graphite are allotropic forms of carbon.The state of matterPhysical properties of solids, liquids and gases
(Definition of allotropy noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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