Source : Webster's Revised Unabridged Dictionary (1913)

Nitency \Ni"ten*cy\, n. [L. nitens, p. pr. of nitere to shine.]
   Brightness; luster. [R.]

Nitency \Ni"ten*cy\, n. [From :. nitens, p. pr. pf niti to
   strive.]
   Endeavor; rffort; tendency. [R.] --Boyle.