Meaning of “portable” in the English Dictionary

"portable" in British English

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portableadjective

uk /ˈpɔː.tə.bəl/ us /ˈpɔːr.t̬ə.bəl/

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.ə.ti/ us /ˌpɔːr.t̬əˈbɪl.ə.t̬i/

The advantage of the smaller model is its greater portability.

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

"portable" in American English

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portableadjective [ not gradable ]

us /ˈpɔr·t̬ə·bəl, ˈpoʊr-/

small and light enough to be carried or moved easily, and not attached by electric wires:

a portable phone/radio

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

"portable" in Business English

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portableadjective

uk /ˈpɔːtəbl/ us

light and small enough to be easily carried or moved:

The laptop's ultra compact design makes it extremely portable and practical.

FINANCE used to describe a pension that you can move to another company, or a loan that you can use for a different purpose:

It is one of the few countries to offer portable pensions, carried by employees from job to job.
Our portable loans allow you to keep your mortgage with us even if you move house.

IT, COMMUNICATIONS used to describe software, a phone number, etc. that can be moved to another system without it being changed:

You can run these portable applications from removable drives such as flash drives, without having to install them.

portablenoun [ C ]

uk /ˈpɔːtəbl/ us

a small machine, such as a small computer, that is easy to carry with you:

We specialize in handheld PCs and other portables.

(Definition of “portable” from the Cambridge Business English Dictionary © Cambridge University Press)