magnetic ink

1. 1.

   an ink that contains particles of a magnetic substance whose presence can be detected by magnetic sensors

   Broaderink

Questions about magnetic ink

What does magnetic ink mean?

magnetic ink means "an ink that contains particles of a magnetic substance whose presence can be detected by magnetic sensors".

Is magnetic ink a common word?

magnetic ink is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.