magnetic wire

noun

1. a fine wire made from a magnetizable metal and used for wire recording.

Word History and Origins

Origin of magnetic wire¹

First recorded in 1940–45

Example Sentences

In the mouth of each should be inserted a piece of magnetic wire.

From Project Gutenberg

The electro-magnetic wire under the ocean has already telegraphed the number of the aërial caravan.

From Project Gutenberg