[ dee-purm ]

verb (used with object)Nautical.
  1. to reduce the permanent magnetism of (a vessel) by wrapping an electric cable around it vertically athwartships and energizing the cable.

Origin of deperm

First recorded in 1945–50; de- + perm(anent)

Words Nearby deperm Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023