APLASTIC
A*plas"tic, a. Etym: [Pref. a- not + plastic.]

Defn: Not plastic or easily molded.

APLOMB
A`plomb", n. Etym: [F., lit. perpendicularity; plomb lead. See
Plumb.]

Defn: Assurance of manner or of action; self-possession.

APLOTOMY
A*plot"o*my, n. Etym: [Gr. (Surg.)

Defn: Simple incision. Dunglison.

APLUSTRE
A*plus"tre, n. Etym: [L., fr. Gr. (Rom. Antiq.)

Defn: An ornamental appendage of wood at the ship's stern, usually spreading like a fan and curved like a bird's feather. Audsley.

APLYSIA
A*plys"i*a, n. Etym: [Gr. (Zoöl.)

Defn: A genus of marine mollusks of the order Tectibranchiata; the sea hare. Some of the species when disturbed throw out a deep purple liquor, which colors the water to some distance. See Illust. in Appendix.