MALACISSATION
Mal`a*cis*sa"tion, n. Etym: [L. malacissare to make soft, Gr.

Defn: The act of making soft or supple. [Obs.] Bacon.

MALACOBDELLA
Mal`a*cob*del"la, n. Etym: [NL., fr. Gr. (Zoöl.)

Defn: A genus of nemertean worms, parasitic in the gill cavity of clams and other bivalves. They have a large posterior sucker, like that of a leech. See Illust. of Bdellomorpha.

MALACODERM
Mal"a*co*derm, n. Etym: [Gr. (Zoöl.)

Defn: One of a tribe of beetles (Malacodermata), with a soft and flexible body, as the fireflies.

MALACOLITE
Mal"a*co*lite, n. Etym: [Gr. -lite.] (Min.)

Defn: A variety of pyroxene.

MALACOLOGIST
Mal`a*col"o*gist, n.

Defn: One versed in the science of malacology.