noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A measure of the degree to which a material allows a fluid to permeate it. uncountable, usually
2. 2
   The reciprocal of reluctance in a magnetic circuit; the analogue of conductance in an electrical circuit. uncountable, usually

Etymology

From stem of Latin permeare (“to penetrate”) + -ance.

Related phrases

electrical circuitmagnetic circuit

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.