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Like or pertaining to the pigeons or Columbæ.

The succession and variation of leaves during different seasons. R. Brown.

Having the property of pleomorphism.

Nearly alike in form.

The assumption of several structural forms without a corresponding difference in function; -- said of sponges, etc.

Having, or assuming, a variety of forms, characters, or styles; as, a polymorphous author. De Quincey.

Relating to promorphology; as, a promorphological conception.

One versed in the science of promorphology.

Crystallography of organic forms; -- a division of morphology created by Haeckel. It is essentially stereometric, and relates to a mathematical conception of organic forms. See Tectology.

Not having the true form. Pseudomorphous crystal, one which has a form that does not result from its own powers of crystallization.

Having the property of crystallizing by the agency of fire.

Of, pertaining to, or characterized by, trimorphism; -- contrasted with monomorphic, dimorphic, and polymorphic.

Symmetrical bilaterally; -- said of organisms, or parts of organisms, capable of division into two symmetrical halves only in a single plane.

A group of insects which do not undergo any metamorphosis. [Written also Ametabolia.]

Of or pertaining to insects that do undergo any metamorphosis.

Not undergoing any metamorphosis; as, ametabolic insects.

A state of being amorphous; esp. a state of being without crystallization even in the minutest particles, as in glass, opal, etc.

someric with cane sugar, contained in gum arabic, from which it is extracted as a white, amorphous substance.

A name applied to the amorphous or crystalline mass obtained from bile by the action of alcohol and ether. It is composed of a mixture of the sodium salts of the bile acids.

An amorphous antimonate of lead, produced from the alteration of other ores, as from jamesonite.