per·me·ance 
(pûrmē-əns)
(pûrmē-əns)n.
A measure of the ability of a magnetic circuit to conduct magnetic flux; the reciprocal of reluctance.
[From Latin permeāre, to penetrate; see PERMEATE.]
- spectrometry
- spectrophotometer
- spectrophotometric
- spectrophotometry
- spectroscope
- spectroscopic
- spectroscopical
- spectroscopically
- spectroscopic analysis
- spectroscopic binary
- spectroscopist
- spectroscopy
- spectrum
- specula
- specular
- specularly
- speculate
- speculation
- speculative
- speculatively
- speculator
- speculum
- sped
- speech
- speech act