Nub, nub, n. a knob, knot: point, gist.—adjs. Nub′bly, full of knots; Nub′by, lumpy, dirty.
Nubble, nub′l, v.t. to beat with the fist.
Nubecula, nū-bek′ū-la, n. a light film on the eye: a cloudy appearance in urine:—pl. Nubec′ulæ.
Nubiferous, nū-bif′e-rus, adj. bringing clouds.—adjs. Nūbig′enous, produced by clouds; Nū′bilous, cloudy, overcast—(obs.) Nū′bilose.
Nubile, nū′bil, adj. marriageable.—n. Nubil′ity. [L. nubilis—nubĕre, to veil one's self, hence to marry.]
Nucellus, nū-sel′us, n. the nucleus of the ovule.
Nuchal, nū′kal, adj. pertaining to the Nū′cha or nape.
Nuciform, nūs′i-form, adj. nut-shaped.—adj. Nucif′erous, nut-bearing. [L. nux, nucis, nut, forma, form.]
Nucifraga, nū-sif′ra-ga, n. a genus of corvine birds, between crows and jays, the nutcrackers.
Nucleus, nū′klē-us, n. the central mass round which matter gathers: (astron.) the head of a comet:—pl. Nuclei (nū′klē-ī).—adjs. Nū′clēal, Nū′clēar, pertaining to a nucleus.—v.t. Nū′clēāte, to gather into or around a nucleus.—adjs. Nū′clēate, -d, having a nucleus; Nū′clēiform.—ns. Nū′clēin, a colourless amorphous proteid, a constituent of cell-nuclei; Nū′cleobranch, one of an order of molluscs which have the gills packed in the shell along with the heart:—pl. Nucleobranchiă′ta; Nū′clēōle, a little nucleus: a nucleus within a nucleus—also Nuclē′olus:—pl. Nuclē′oli. [L.,—nux, nucis, a nut.]