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English definition of “portable”

portable

adjective uk   /ˈpɔː.tə.bl̩/ us    /ˈpɔːr.t̬ə-/
C1 light and small enough to be easily carried or moved: a portable radio/phone/computer possible to take with you if you move to a different place or job: They offer portable pensions, carried by employees from job to job. Your phone number is portable if you decide to move to a different home or office.
portability
noun [U] uk   /ˌpɔː.təˈbɪl.ɪ.ti/ us    /ˌpɔːr.t̬əˈbɪl.ə.t̬i/
The advantage of the smaller model is its greater portability.
(Definition of portable from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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