Protonotary (n.) A register or chief clerk of a court in certain States of the United States.
Protonotary (n.) Formerly, one who had the charge of writing the acts of the martyrs, and the circumstances of their death; now, one of twelve persons, constituting a college in the Roman Curia, whose office is to register pontifical acts and to make and preserve the official record of beatifications.
Protonotary (n.) The chief secretary of the patriarch of Constantinople.
Prothonotaryship (n.) Office of a prothonotary.
Prothoracic (a.) Of or pertaining to the prothorax.
Prothorax (n.) The first or anterior segment of the thorax in insects. See Illusts. of Butterfly and Coleoptera.
Prothyalosomata (pl. ) of Pro thyalosoma
Pro thyalosoma (n.) The investing portion, or spherical envelope, surrounding the eccentric germinal spot of the germinal vesicle.
Prothyalosome (n.) Same as Prothyalosoma.
Protist (n.) One of the Protista.
Protista (n. pl.) A provisional group in which are placed a number of low microscopic organisms of doubtful nature. Some are probably plants, others animals.
Protista (pl. ) of Protiston
Protiston (n.) One of the Protista.
Proto- () A combining form prefix signifying first, primary, primordial; as, protomartyr, the first martyr; protomorphic, primitive in form; protoplast, a primordial organism; prototype, protozoan.
Proto- () Denoting the first or lowest of a series, or the one having the smallest amount of the element to the name of which it is prefixed; as protoxide, protochloride, etc.
Proto- () Sometimes used as equivalent to mono-, as indicating that the compound has but one atom of the element to the name of which it is prefixed. Also used adjectively.
Protocanonical (a.) Of or pertaining to the first canon, or that which contains the authorized collection of the books of Scripture; -- opposed to deutero-canonical.
Protocatechuic (a.) 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 (a.) Having a caudal fin extending around the end of the vertebral column, like that which is first formed in the embryo of fishes; diphycercal.
Protococcus (n.) A genus of minute unicellular algae including the red snow plant (Protococcus nivalis).
Protocol (n.) The original copy of any writing, as of a deed, treaty, dispatch, or other instrument.
Protocol (n.) The minutes, or rough draught, of an instrument or transaction.
Protocol (n.) A preliminary document upon the basis of which negotiations are carried on.
Protocol (n.) A convention not formally ratified.
Protocol (n.) An agreement of diplomatists indicating the results reached by them at a particular stage of a negotiation.
Protocol (v. t.) To make a protocol of.
Protocol (v. i.) To make or write protocols, or first draughts; to issue protocols.
Protocolist (n.) One who draughts protocols.
Protoconch (n.) The embryonic shell, or first chamber, of ammonites and other cephalopods.
Proto-Doric (a.) Pertaining to, or designating, architecture, in which the beginnings of the Doric style are supposed to be found.
Protogine (n.) A kind of granite or gneiss containing a silvery talcose mineral.
Protogynous (a.) Same as Proterogynous.
Protohippus (n.) A genus of fossil horses from the Lower Pliocene. They had three toes on each foot, the lateral ones being small.
Protomartyr (n.) The first martyr; the first who suffers, or is sacrificed, in any cause; -- applied esp. to Stephen, the first Christian martyr.
Protomerite (n.) The second segment of one of the Gregarinae.
Protomorphic (a.) Having the most primitive character; in the earliest form; as, a protomorphic layer of tissue.
Protonemata (pl. ) of Protonema
Protonema (n.) 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.
Protonotary (n.) Same as Prothonotary.
Protoorganism (n.) An organism whose nature is so difficult to determine that it might be referred to either the animal or the vegetable kingdom.
Protopapas (n.) A protopope.
Protophyte (n.) Any unicellular plant, or plant forming only a plasmodium, having reproduction only by fission, gemmation, or cell division.
Protophytology (n.) Paleobotany.
Protopine (n.) An alkaloid found in opium in small quantities, and extracted as a white crystalline substance.
Protoplasm (n.) The viscid 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.
Protoplasmatic (a.) Protoplasmic.
Protoplasmic (a.) Of or pertaining to the first formation of living bodies.
Protoplasmic (a.) Of or pertaining to protoplasm; consisting of, or resembling, protoplasm.
Protoplast (n.) The thing first formed; that of which there are subsequent copies or reproductions; the original.
Protoplast (n.) A first-formed organized body; the first individual, or pair of individuals, of a species.
Protoplasta (n. pl.) 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.
Protoplastic (a.) First-formed.
Protopodite (n.) The basal portion, or two proximal and more or less consolidated segments, of an appendage of a crustacean.
Protopope (n.) One of the clergy of first rank in the lower order of secular clergy; an archpriest; -- called also protopapas.
Protopterus (n.) See Komtok.
Protosalt (n.) A salt derived from a protoxide base.
Protosilicate (n.) A silicate formed with the lowest proportion of silicic acid, or having but one atom of silicon in the molecule.
Protosomite (n.) One of the primitive segments, or metameres, of an animal.
Protosulphide (n.) That one of a series of sulphides of any element which has the lowest proportion of sulphur; a sulphide with but one atom of sulphur in the molecule.
Protosulphuret (n.) A protosulphide.
Prototheria (n. pl.) Same as Monotremata.
Prototracheata (n. pl.) Same as Malacopoda.
Prototype (n.) An original or model after which anything is copied; the pattern of anything to be engraved, or otherwise copied, cast, or the like; a primary form; exemplar; archetype.
Protovertebrae (pl. ) of Protovertebra
Protovertebra (n.) One of the primitive masses, or segments, into which the mesoblast of the vertebrate embryo breaks up on either side of the anterior part of the notochord; a mesoblastic, or protovertebral, somite. See Illust. of Ectoderm.
Protovertebral (a.) Of or pertaining to the protovertebrae.
Protoxide (n.) That one of a series of oxides having the lowest proportion of oxygen. See Proto-, 2 (b).
Protoxidize (v. t.) To combine with oxygen, as any elementary substance, in such proportion as to form a protoxide.
Protozoa (n. pl.) The lowest of the grand divisions of the animal kingdom.
Protozoan (a.) Of or pertaining to the Protozoa.
Protozoan (n.) One of the Protozoa.
Protozoic (a.) Of or pertaining to the Protozoa.
Protozoic (a.) Containing remains of the earliest discovered life of the globe, which included mollusks, radiates and protozoans.
Protozoa (pl. ) of Protozoon
Protozoon (n.) One of the Protozoa.
Protozoon (n.) A single zooid of a compound protozoan.
Protozoonite (n.) One of the primary, or first-formed, segments of an embryonic arthropod.
Protracheata (n. pl.) Same as Malacopoda.
Protracted (imp. & p. p.) of Protract
Protracting (p. pr. vb. n.) of Protract
Protract (v. t.) To draw out or lengthen in time or (rarely) in space; to continue; to prolong; as, to protract an argument; to protract a war.
Protract (v. t.) To put off to a distant time; to delay; to defer; as, to protract a decision or duty.
Protract (v. t.) To draw to a scale; to lay down the lines and angles of, with scale and protractor; to plot.
Protract (v. t.) To extend; to protrude; as, the cat can protract its claws; -- opposed to retract.
Protract (n.) Tedious continuance or delay.
Protracted (a.) Prolonged; continued.
Protracter (n.) A protractor.
Protractile (a.) Capable of being protracted, or protruded; protrusile.
Protraction (n.) A drawing out, or continuing; the act of delaying the termination of a thing; prolongation; continuance; delay; as, the protraction of a debate.
Protraction (n.) The act or process of making a plot on paper.
Protraction (n.) A plot on paper.
Protractive (a.) Drawing out or lengthening in time; prolonging; continuing; delaying.
Protractor (n.) One who, or that which, protracts, or causes protraction.
Protractor (n.) A mathematical instrument for laying down and measuring angles on paper, used in drawing or in plotting. It is of various forms, semicircular, rectangular, or circular.
Protractor (n.) An instrument formerly used in extracting foreign or offensive matter from a wound.
Protractor (n.) A muscle which extends an organ or part; -- opposed to retractor.
Protractor (n.) An adjustable pattern used by tailors.
Protreptical (a.) Adapted to persuade; hortatory; persuasive.
Protrudable (a.) That may be protruded; protrusile.
Protruded (imp. & p. p.) of Protrude