NOCTILUCIN
Noc*ti*lu"cin, n. (Zoöl.)

Defn: A fatlike substance in certain marine animals, to which they owe their phosphorescent properties.

NOCTILUCINE
Noc`ti*lu"cine, a. (Zoöl.)

Defn: Of or pertaining to Noctiluca.

NOCTILUCOUS
Noc`ti*lu"cous, a.

Defn: Shining in the night.

NOCTIVAGANT Noc*tiv"a*gant, a. Etym: [L. nox, noctis, night + vagans, p.pr. of vagari to wander about.] (Zoöl.)

Defn: Going about in the night; night-wandering.

NOCTIVAGATION
Noc*tiv`a*ga"tion, n.

Defn: A roving or going about in the night. Gayton.