Meaning of “semipermeable” in the English Dictionary

british dictionary

"semipermeable" in British English

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semipermeableadjective

uk /ˌsem.iˈpɜː.mi.ə.bəl/ us /ˌsem.iˈpɝː.mi.ə.bəl/ specialized

(Definition of “semipermeable” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"semipermeable" in American English

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semipermeableadjective [ not gradable ]

/ˌsem·iˈpɜr·mi·ə·bəl, ˌsem·ɑɪ-/

biology, chemistry allowing some liquids and gases, but not others, to pass through

(Definition of “semipermeable” from the Cambridge Academic Content Dictionary © Cambridge University Press)