carrier-free

[kar-ee-er-free]

adjective

Chemistry.

1. (of a radioactive isotope) capable of functioning as a tracer without the use of a carrier.

Word History and Origins

Origin of carrier-free¹

carrier + -free

Example Sentences

Legal restrictions already quashed an initiative by Apple to create its own carrier-free SIM card in 2010.

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In great news for those sick of fiddling with their cellphone handsets on every trip abroad, the Netherlands has become the first country to legalize carrier-free SIM cards.

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Its young engineers have grown up in a world of over-the-top services, and they can easily see the benefits of a carrier-free world, where data networks managed by the big Internet players, transport all the bits that matter.

Read more on Forbes