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a of some stars), obtained at the highest available laboratory temperatures (Lockyer); as protocalcium, protochromium, protocopper, protonickel, protosilicon, protostrontium, prototitanium, protovanadium. -- Pro`to*me*tal"ic (#), a.

Having the most primitive character; in the earliest form; as, a protomorphic layer of tissue. H. Spencer.

The primary growth from the spore of a moss, usually consisting of branching confervoid filaments, on any part of which stem and leaf buds may be developed.

Same as Prothonotary.

An organism whose nature is so difficult to determine that it might be referred to either the animal or the vegetable kingdom.

A protopope.

Any unicellular plant, or plant forming only a plasmodium, having reproduction only by fission, gemmation, or cell division.

Paleobotany.

An alkaloid found in opium in small quantities, and extracted as a white crystalline substance.

scid and more or less granular material of vegetable and animal cells, possessed of vital properties by which the processes of nutrition, secretion, and growth go forward; the so-called " physical basis of life;" the original cell substance, cytoplasm, cytoblastema, bioplasm sarcode, etc.

Protoplasmic.

Of or pertaining to protoplasm; consisting of, or resembling, protoplasm.

The thing first formed; that of which there are subsequent copies or reproductions; the original.

A division of fresh-water rhizopods including those that have a soft body and delicate branched pseudopodia. The genus Gromia is one of the best-known.

First-formed. Howell.

The basal portion, or two proximal and more or less consolidated segments, of an appendage of a crustacean.

clergy of first rank in the lower order of secular clergy; an archpriest; -- called also protopapas.

See Komtok.

A salt derived from a protoxide base. [Obs.]

A silicate formed with the lowest proportion of silicic acid, or having but one atom of silicon in the molecule.