Momental
Pronunciation : Mo*men"tal
Part of Speech : a.
Etymology : [Cf. OF. momental.] [Obs.]
Definition : 1. Lasting but a moment; brief. Not one momental minute doth she swerve. Breton.
2. Important; momentous.
3. (Mech.)
Defn: Of or pertaining to moment or momentum.
Source : Webster's Unabridged Dictionary, 1913