Meaning of “pneumatic” in the English Dictionary

"pneumatic" in British English

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pneumaticadjective

uk /njuːˈmæt.ɪk/ us /nuːˈmæt̬.ɪk/

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

"pneumatic" in American English

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pneumaticadjective [ not gradable ]

us /nʊˈmæt̬·ɪk/

operated by air pressure, or containing air:

pneumatic tires

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