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.

From Time

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.

From Time

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.

From Forbes