re·luc·tance 
(rĭ-lŭktəns) also re·luc·tan·cy (-tən-sē)
(rĭ-lŭktəns) also re·luc·tan·cy (-tən-sē)n.
1. The state of being reluctant; unwillingness.
2. Physics A measure of the opposition to magnetic flux, analogous to electric resistance.