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Prosobranchiata

The highest division, or subclass, of gastropod mollusks, including those that have the gills situated anteriorly, or forward of the heart, and the sexes separate.

Prosocoele

The entire cavity of the prosencephalon.

Prosodical

Of or pertaining to prosody; according to the rules of prosody.

Prosody

That part of grammar which treats of the quantity of syllables, of accent, and of the laws of versification or metrical composition.

Prosoma

The anterior of the body of an animal, as of a cephalopod; the thorax of an arthropod.

Prosopolepsy

Respect of persons; especially, a premature opinion or prejudice against a person, formed from his external appearance.

Prosopopoeia

A figure by which things are represented as persons, or by which things inanimate are spoken of as animated beings; also, a figure by which an absent person is introduced as speaking, or a deceased person is represented as alive and present. It includes personification, but is more extensive in its signification.

Prosopulmonata

A division of pulmonate mollusks having the breathing organ situated on the neck, as in the common snail.

Prospect

To make a search; to seek; to explore, as for mines or the like; as, to prospect for gold.

Prospection

The act of looking forward, or of providing for future wants; foresight.

Prospective

The scene before or around, in time or in space; view; prospect.

Prospector

One who prospects; especially, one who explores a region for minerals and precious metals.

Prospectus

A summary, plan, or scheme of something proposed, affording a prospect of its nature; especially, an exposition of the scheme of an unpublished literary work.

Prosper

To be successful; to succeed; to be fortunate or prosperous; to thrive; to make gain.

Prosperity

The state of being prosperous; advance or gain in anything good or desirable; successful progress in any business or enterprise; attainment of the object desired; good fortune; success; as, commercial prosperity; national prosperity.

Prosperous

Tending to prosperity; favoring; favorable; helpful.

Prosphysis

A growing together of parts; specifically, a morbid adhesion of the eyelids to each other or to the eyeball.

Prost

a contracted form of prosit.

Prostate

Standing before; -- applied to a gland which is found in the males of most mammals, and is situated at the neck of the bladder where this joins the urethra. The prostate gland.

Prostatic

Of or pertaining to the prostate gland.

Prosternum

The ventral plate of the prothorax of an insect.

Prosthesis

The addition to the human body of some artificial part, to replace one that is wanting, as a log or an eye; -- called also prothesis.

Prosthetic

Of or pertaining to prosthesis; prefixed, as a letter or letters to a word.

Prostibulous

Of or pertaining to prostitutes or prostitution; meretricious.

Prostitute

A woman giver to indiscriminate lewdness; a strumpet; a harlot.

Prostitution

The act or practice of prostituting or offering the body to an indiscriminate intercourse with men; common lewdness of a woman.

Prostitutor

One who prostitutes; one who submits himself, of or offers another, to vile purposes.

Prostomium

That portion of the head of an annelid situated in front of the mouth.

Prostrate

To lay fiat; to throw down; to level; to fell; as, to prostrate the body; to prostrate trees or plants.

Prostration

The act of prostrating, throwing down, or laying fiat; as, the prostration of the body.

Prostyle

Having columns in front. A prostyle portico or building.

Prosylogism

A syllogism preliminary or logically essential to another syllogism; the conclusion of such a syllogism, which becomes a premise of the following syllogism.

Protactic

Giving a previous narrative or explanation, as of the plot or personages of a play; introductory.

Protagon

A nitrogenous phosphorized principle found in brain tissue. By decomposition it yields neurine, fatty acids, and other bodies.

Protagonist

One who takes the leading part in a drama; hence, one who takes lead in some great scene, enterprise, conflict, or the like.

Protamin

An amorphous nitrogenous substance found in the spermatic fluid of salmon. It is soluble in water, which an alkaline reaction, and unites with acids and metallic bases.

Protandric

Having male sexual organs while young, and female organs later in life.

Protatic

Of or pertaining to the protasis of an ancient play; introductory.

Proteaceous

Of or pertaining to the Proteace/, an order of apetalous evergreen shrubs, mostly natives of the Cape of Good Hope or of Australia.

Protean

Of or pertaining to Proteus; characteristic of Proteus.

Protect

To cover or shield from danger or injury; to defend; to guard; to preserve in safety; as, a father protects his children.

Protection

The act of protecting, or the state of being protected; preservation from loss, injury, or annoyance; defense; shelter; as, the weak need protection.

Protectionism

The doctrine or policy of protectionists. See Protection, 4.

Protective

Affording protection; sheltering; defensive.

Protector

One who, or that which, defends or shields from injury, evil, oppression, etc.; a defender; a guardian; a patron.

Protectoral

Of or pertaining to a protector; protectorial; as, protectoral power.

Protectorate

Government by a protector; -- applied especially to the government of England by Oliver Cromwell.

Proteg/e Protege

One under the care and protection of another, especially one receiving counseling and assistance in career development.

Proteid

An older, imprecise term replaced by protein.

Proteidea

An order of aquatic amphibians having prominent external gills and four legs. It includes Proteus and Menobranchus (Necturus). Called also Proteoidea, and Proteida.

Proteiform

Changeable in form; resembling a Proteus, or an am/ba.

Protein

any polymer of an amino acid joined by peptide (amide) bonds. Most natural proteins have alpha-amino acids as the monomeric constituents. All classical enzymes are composed of protein, and control most of the biochemical transformations carrie dout in living cells. They may be soluble, as casein, albumins, and other globular proteins, or insoluble (e. g. "structural proteins"), as collagen or keratin. "albumin", an older term for protein, is now used primarily to refer to certain specific soluble globular proteins found in eggs or blood serum, e.g. bovine serum albumin, the main soluble protein in teh serum of cattle, used as an enzymatically inert protein in biochemical research.

Proteles

A South Africa genus of Carnivora, allied to the hyenas, but smaller and having weaker jaws and teeth. It includes the aard-wolf.

Protend

To hold out; to stretch forth.

Proteolysis

The digestion or dissolving of proteid matter by proteolytic ferments.

Proteolytic

Converting proteid or albuminous matter into soluble and diffusible products, as peptones.

Proteose

One of a class of soluble products formed in the digestion of proteids with gastric and pancreatic juice, and also by the hydrolytic action of boiling dilute acids on proteids. Proteoses are divided into the two groups, the primary and secondary proteoses.

Proterandrous

Having the stamens come to maturity before the pistil; -- opposed to proterogynous.

Proteranthous

Having flowers appearing before the leaves; -- said of certain plants.

Proteroglypha

A suborder of serpents including those that have permanently erect grooved poison fangs, with ordinary teeth behind them in the jaws. It includes the cobras, the asps, and the sea snakes. Called also Proteroglyphia.

Proterogynous

Having the pistil come to maturity before the stamens; protogynous; -- opposed to proterandrous.

Proterosaurus

An extinct genus of reptiles of the Permian period. Called also Protosaurus.

Protest

A solemn declaration of opinion, commonly a formal objection against some act; especially, a formal and solemn declaration, in writing, of dissent from the proceedings of a legislative body; as, the protest of lords in Parliament.

Protestantism

The quality or state of being protestant, especially against the Roman Catholic Church; the principles or religion of the Protestants.

Protestantly

Like a Protestant; in conformity with Protestantism.

Protestation

The act of making a protest; a public avowal; a solemn declaration, especially of dissent.

Protester

One who protests; one who utters a solemn declaration.

Proteus

A sea god in the service of Neptune who assumed different shapes at will. Hence, one who easily changes his appearance or principles.

Prothallus

The minute primary growth from the spore of ferns and other Pteridophyta, which bears the true sexual organs; the oophoric generation of ferns, etc.

Prothesis

A credence table; -- so called by the Eastern or Greek Church.

Prothetic

Of or pertaining to prothesis; as, a prothetic apparatus.

Prothorax

The first or anterior segment of the thorax in insects. See Illusts. of Butterfly and Coleoptera.

Protista

A provisional group in which are placed a number of low microscopic organisms of doubtful nature. Some are probably plants, others animals.

Proto-Doric

Pertaining to, or designating, architecture, in which the beginnings of the Doric style are supposed to be found.

Protocanonical

Of or pertaining to the first canon, or that which contains the authorized collection of the books of Scripture; -- opposed to deutero-canonical.

Protocatechuic

Pertaining to, derived from, or designating, an organic acid which is obtained as a white crystalline substance from catechin, asafetida, oil of cloves, etc., and by distillation itself yields pyrocatechin.

Protocercal

Having a caudal fin extending around the end of the vertebral column, like that which is first formed in the embryo of fishes; diphycercal.

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