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Photozincography

A process, analogous to photolithography, for reproducing photographed impressions transferred to zinc plate.

Phragmocone

The thin chambered shell attached to the anterior end of a belemnite.

Phrasal

Of the nature of a phrase; consisting of a phrase; as, a phrasal adverb.

Phrase

To use proper or fine phrases.

Phraseology

Manner of expression; peculiarity of diction; style.

Phrasing

Method of expression; association of words.

Phratry

A subdivision of a phyle, or tribe, in Athens.

Phreatic

Subterranean; -- applied to sources supplying wells.

Phrenic

Of or pertaining to the diaphragm; diaphragmatic; as, the phrenic nerve.

Phrenics

That branch of science which relates to the mind; mental philosophy.

Phrenitis

Inflammation of the brain, or of the meninges of the brain, attended with acute fever and delirium; -- called also cephalitis.

Phrenograph

An instrument for registering the movements of the diaphragm, or midriff, in respiration.

Phrenology

The science of the special functions of the several parts of the brain, or of the supposed connection between the various faculties of the mind and particular organs in the brain.

Phrenomagnetism

The power of exciting the organs of the brain by magnetic or mesmeric influence.

Phrenosin

A cerebroside, related to cerebrin, present in white matter of the brain.

Phryganeid

Any insect belonging to the Phryganeides.

Phryganeides

A tribe of neuropterous insects which includes the caddice flies; -- called also Trichoptera. See Trichoptera.

Phrygian

A native or inhabitant of Phrygia.

Phthalein

One of a series of artificial organic dyes made as condensation products of the phenols with phthalic acid, and well represented by phenolphthalein. Their alkaline solutions are fluorescent.

Phthalic

Pertaining to, or designating, a dibasic acid obtained by the oxidation of naphthalene and allied substances.

Phthalide

A lactone (C8H6O2) obtained as a white crystalline substance by reduction of phthalyl chloride and other processes; hence, by extension, any one of the series of which phthalide proper is the type.

Phthalimide

An imido derivative of phthalic acid, obtained as a white crystalline substance, C6H4.(CO)2NH, which has itself (like succinimide) acid properties, and forms a series of salts. Cf. Imido acid, under Imido.

Phthalin

A colorless crystalline substance obtained by reduction from phthalein, into which it is easily converted by oxidation; hence, any one of the series of which phthalin proper is the type.

Phthalyl

The hypothetical radical of phthalic acid.

Phthiriasis

A disease (morbus pediculous) consisting in the excessive multiplication of lice on the human body.

Phthisical

Of or pertaining to phthisis; affected with phthisis; wasting; consumptive.

Phthisicky

Having phthisis, or some symptom of it, as difficulty in breathing.

phthisis

A wasting or consumption of the tissues. The term is now obsolete; it was once applied to many wasting diseases, but in the early 1900's became restricted to tuberculosis of the lungs (pulmonary phthisis, or consumption). See Consumption.

Phycochrome

A bluish green coloring matter of certain alg/.

Phycology

The science of algae, or seaweeds; algology.

Phycomater

A gelatin in which the algae spores have been supposed to vegetate.

Phycomycetes

A large, important class of parasitic or saprophytic fungi, the algal or algalike fungi. The plant body ranges from an undifferentiated mass of protoplasm to a well-developed and much-branched mycelium. Reproduction is mainly sexual, by the formation of conidia or sporangia; but the group shows every form of transition from this method through simple conjugation to perfect sexual reproduction by egg and sperm in the higher forms.

Phylactery

Any charm or amulet worn as a preservative from danger or disease.

Phylactocarp

A branch of a plumularian hydroid specially modified in structure for the protection of the gonothec/.

Phylactolaemata Phylactolaema

An order of fresh-water Bryozoa in which the tentacles are arranged on a horseshoe-shaped lophophore, and the mouth is covered by an epistome. Called also Lophopoda, and hippocrepians.

Phylarchy

The office of a phylarch; government of a class or tribe.

Phyle

A local division of the people in ancient Athens; a clan; a tribe.

Phyllite

A mineral related to ottrelite. Clay slate; argillaceous schist.

phyllocladium phylloclade

A flattened stem or branch which more or less resembles a leaf, and performs the function of a leaf as regards respiration and assimilation.

Phyllocyanin

A blue coloring matter extracted from chlorophyll.

Phyllodium

A petiole dilated into the form of a blade, and usually with vertical edges, as in the Australian acacias.

Phyllody

A retrograde metamorphosis of the floral organs to the condition of leaves.

Phyllomania

An abnormal or excessive production of leaves.

phyllome

A foliar part of a plant; any organ homologous with a leaf, or produced by metamorphosis of a leaf.

Phyllomorphosis

The succession and variation of leaves during different seasons.

Phyllophagan

One of a group of marsupials including the phalangists. One of a tribe of beetles which feed upon the leaves of plants, as the chafers.

phyllopod

One of the Phyllopoda. [Also used adjectively.]

Phyllopoda

An order of Entomostraca including a large number of species, most of which live in fresh water. They have flattened or leaflike legs, often very numerous, which they use in swimming. Called also Branchiopoda.

Phyllorhine

Of or pertaining to Phyllorhina and other related genera of bats that have a leaflike membrane around the nostrils.

Phyllosoma

The larva of the spiny lobsters (Palinurus and allied genera). Its body is remarkably thin, flat, and transparent; the legs are very long. Called also glass-crab, and glass-shrimp.

Phyllostome

Any bat of the genus Phyllostoma, or allied genera, having large membranes around the mouth and nose; a nose-leaf bat.

Phyllotaxis Phyllotaxy

The order or arrangement of leaves on the stem; the science of the relative position of leaves.

Phyllous

Homologous with a leaf; as, the sepals, petals, stamens, and pistils are phyllous organs.

Phylloxanthin

A yellow coloring matter extracted from chlorophyll.

Phylloxera

A small hemipterous insect (Phylloxera vastatrix) allied to the aphids. It attacks the roots and leaves of the grapevine, doing great damage, especially in Europe.

Phylogenetic

Relating to phylogenesis, or the evolutionary history of a type of organism.

phylogeny phylogenesis

The history of genealogical development; the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms; the historic exolution of the phylon or tribe, in distinction from ontogeny, or the development of the individual organism, and from biogenesis, or life development generally.

Phylum

One of the larger divisions of the animal kingdom; a branch; a grand division.

Phyma

A tubercle on any external part of the body.

Physa

A genus of fresh-water Pulmonifera, having reversed spiral shells. See Pond snail, under Pond.

Physali/

An order of Siphonophora which includes Physalia.

Physalia

A genus of large oceanic Siphonophora which includes the Portuguese man-of-war.

Physaria

A small genus of Western North American herbs similar to Lesquerella; the bladderpods.

Physemaria

A group of simple marine organisms, usually classed as the lowest of the sponges. They have inflated hollow bodies.

Physeter

The genus that includes the sperm whale (Physeter macrocephalus).

Physianthropy

The philosophy of human life, or the doctrine of the constitution and diseases of man, and their remedies.

Physic

To treat with physic or medicine; to administer medicine to, esp. a cathartic; to operate on as a cathartic; to purge.

Physical

Of or pertaining to nature (as including all created existences); in accordance with the laws of nature; also, of or relating to natural or material things, or to the bodily structure, as opposed to things mental, moral, spiritual, or imaginary; material; natural; as, armies and navies are the physical force of a nation; the body is the physical part of man.

physicalism

The doctrine that matter is the only reality.

physicality

A preoccupation with satisfaction of physical drives and appetites; -- of people.

Physically

In a physical manner; according to the laws of nature or physics; by physical force; not morally.

physicalness

The quality of being physical; consisting of matter; materiality.

Physician

A person skilled in medicine, or the art of healing; especially, one trained and licensed to treat illness and prescribe medicines; a doctor of medicine.

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