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Native hydrous carbonate of copper, usually occurring in green mammillary masses with concentric fibrous structure.

Softening; relaxing. [Obs.]

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

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.

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

A variety of pyroxene.

One versed in the science of malacology.

The science which relates to the structure and habits of mollusks.

A class of air-breathing Arthropoda; -- called also Protracheata, and Onychophora.

One of the Malacopterygii.

sely jointed, and not spiny. It includes the carp, pike, salmon, shad, etc. Called also Malacopteri.

Belonging to the Malacopterygii.

A peculiar disease of the bones, in consequence of which they become softened and capable of being bent without breaking.

Having soft jaws without teeth, as certain fishes.

A subclass of Crustacea, including Arthrostraca and Thoracostraca, or all those higher than the Entomostraca.

One of the Malacostraca.

That branch of zoölogical science which relates to the crustaceans; -- called also carcinology.

Belonging to the Malacostraca.

See Melocoton.

ve group of Invertebrata, including the Mollusca, Brachiopoda, and Bryozoa. Called also Malacozoaria.