A false writing; a spurious document; a forgery.

False writing; forgery.

One of the rudimentary front wings of certain insects (Stylops). They resemble the halteres, or rudimentary hind wings, of Diptera.

One who utters falsehoods; a liar.

Falsehood of speech.

An irregular or deceptive form.

The state of having, or the property of taking, a crystalline form unlike that which belongs to the species.

Not having the true form.

Same as Pseudonavicula.

One of the minute spindle-shaped embryos of Gregarin/ and some other Protozoa.

division of insects (Zool.) reticulated wings, as in the Neuroptera, but having an active pupa state. It includes the dragon flies, May flies, white ants, etc. By some Zoologists they are classed with the Orthoptera; by others, with the Neuroptera.

Of or pertaining to the Pseudoneuroptera.

A fictitious name assumed for the time, as by an author; a pen name; an alias.

The using of fictitious names, as by authors.

Bearing a false or fictitious name; as, a pseudonymous work.

Any protoplasmic filament or irregular process projecting from any unicellular organism, or from any animal or plant call.

Of or pertaining to a pseudopod, or to pseudopodia. See Illust. of Heliozoa.

Same as Pseudopod.

A stage intermediate between the larva and pupa of bees and certain other hymenopterous insects.

One of the peculiar rodlike corpuscles found in the integument of certain Turbellaria. They are filled with a soft granular substance.

An instrument which exhibits objects with their proper relief reversed; -- an effect opposite to that produced by the stereoscope.

Of, pertaining to, or formed by, a pseudoscope; having its parts appearing with the relief reversed; as, a pseudoscopic image.

An order of Arachnoidea having the palpi terminated by large claws, as in the scorpions, but destitute of a caudal sting; the false scorpions. Called also Pseudoscorpii, and Pseudoscorpionina. See Illust. of Book scorpion, under Book.

The surface of constant negative curvature generated by the revolution of a tractrix. This surface corresponds in non-Euclidian space to the sphere in ordinary space. An important property of the surface is that any figure drawn upon it can be displaced in any way without tearing it or altering in size any of its elements.

A peculiar reproductive cell found in some fungi.

Any starlike meteor or phenomenon.

A group of cells resembling a stoma, but without any true aperture among them.

A division of beetles having the fifth tarsal joint minute and obscure, so that there appear to be but four joints.

The bee moth, or wax moth (Galleria).

See under Turbinal.

The organ in which pseudova are produced; -- called also pseudovarium.

An egglike germ produced by the agamic females of some insects and other animals, and by the larv/ of certain insects. It is capable of development without fertilization. See Illust. of P/dogenesis.

To express disgust or contemptuous disapprobation, as by the exclamation / Pshaw!/

Pertaining to, or embodying, psilanthropy. /A psilanthropic explanation./

Psilanthropy.

One who believes that Christ was a mere man.

The doctrine of the merely human existence of Christ.

Love of empty of empty talk or noise.

A hydrous oxide of manganese, occurring in smooth, botryoidal forms, and massive, and having an iron-black or steel-gray color.

birds whose young at first have down on the pteryl/ only; -- called also Gymnop/des.

Having down upon the pteryl/ only; -- said of the young of certain birds.

A superficial or narrow pretender to philosophy; a sham philosopher.

A yellow pigment found in the feathers of certain parrots.

The order of birds which comprises the parrots.

Of or pertaining to the parrots, or the Psittaci. One of the Psittaci.

An internal muscle arising from the lumbar vertebr/ and inserted into the femur. In man there are usually two on each side, and the larger one, or great psoas, forms a part of the iliopsoas.

A cutaneous disease; especially, the itch.

The state of being affected with psora. A cutaneous disease, characterized by imbricated silvery scales, affecting only the superficial layers of the skin.

Of or pertaining to psora.

A minute parasite, usually the young of Gregarin/, in the pseudonavicula stage.

Attractive; persuasive.

A necromancer.

Of or pertaining to the soul; psychical.

same as psychoanalysis; -- an older term now obsolete.

A lovely maiden, daughter of a king and mistress of Eros, or Cupid. She is regarded as the personification of the soul.

Any small moth of the genus Psyche and allied genera (family Psychid/). The larv/ are called basket worms. See Basket worm, under Basket.

Of or pertaining to psychiatry.

The application of the healing art to mental diseases.

Of or pertaining to the human soul, or to the living principle in man.

Psychology.

Of or pertaining to movement produced by action of the mind or will.

To investigate or subject to treatment by psychoanalysis.

A method or process of psychotherapeutic analysis and treatment pf psychoneuroses, based on the work of Dr. Sigmund Freud (1856- 1939) of Vienna. The method rests upon the theory that neurosis is characteristically due to repression of desires consciously rejected but subconsciously persistent; it consists in a close analysis of the patient's mental history, effort being made to bring unconsciuos and preconscious material to consciousness; the methods include analysis of transferance and resistance. In some variants, stress is laid upon the dream life, and of treatment by means of suggestion.

To investigate or subject to treatment by psychoanalysis.

Genesis through an internal force, as opposed to natural selection.

A description of the phenomena of mind.

Of or pertaining to psychology. See Note under Psychic.

One who is versed in, devoted to, psychology.

A psychologist.

The science of the human soul; specifically, the systematic or scientific knowledge of the powers and functions of the human soul, so far as they are known by consciousness; a treatise on the human soul.

A conflict of the soul with the body.

Necromancy.

The art of measuring the duration of mental processes, or of determining the time relations of mental phenomena.

The doctrine that the soul falls asleep at death, and does not wake until the resurrection of the body.

Mental disease. See Psychosis, 2.

Of or pertaining to psychophysics; involving the action or mutual relations of the psychical and physical in man.

The science of the connection between nerve action and consciousness; the science which treats of the relations of the psychical and physical in their conjoint operation in man; the doctrine of the relation of function or dependence between body and soul.

A leader or guide of souls .

The treatment of disease by acting on the mind, as by suggestion; mind cure; psychotherapy.

Psychotherapeutics.

Designating, or applied to the Era of man; as, the psychozoic era.

An instrument for measuring the tension of the aqueous vapor in the atmosphere, being essentially a wet and dry bulb hygrometer.

Of or pertaining to the psychrometer or psychrometry.

Hygrometry.

Any leaping plant louse of the genus Psylla, or family Psyllid/.

Any grouse of the genus Lagopus, of which numerous species are known. The feet are completely feathered. Most of the species are brown in summer, but turn white, or nearly white, in winter.

A division of gastropod mollusks having the teeth of the radula arranged in long transverse rows, somewhat like the barbs of a feather.

Of or pertaining to the Ptenoglossa.

A genus of American Cretaceous pterodactyls destitute of teeth. Several species are known, some of which had an expanse of wings of twenty feet or more.

A group of pterodactyls destitute of teeth, as in the genus Pteranodon.

A genus of Devonian fossil fishes with winglike appendages. The head and most of the body were covered with large bony plates. See Placodermi.

One who is versed in pteridology.

That department of botany which treats of ferns.

A madness, craze, or strong fancy, for ferns.

A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under Cryptogamia.

An order of marine Bryozoa, having a bilobed lophophore and an axial cord. The genus Rhabdopleura is the type. Called also Podostomata. See Rhabdopleura.

A genus of large marine gastropods having the outer border of the lip divided into lobes; -- called also scorpion shell.

A division of birds including the sand grouse. They are in some respects intermediate between the pigeons and true grouse. Called also Pteroclomorph/.

An extinct flying reptile; one of the Pterosauria. See Illustration in Appendix.

Same as Pterosauria.

Having the tongue finely notched along the sides, so as to have a featherlike appearance, as the toucans.

The region of the skull, in the temporal fossa back of the orbit, where the great wing of the sphenoid, the temporal, the parietal, and the frontal hones approach each other.

Same as Odontotorm/.

Any moth of the genus Pterophorus and allied genera; a plume moth. See Plume moth, under Plume.

One of the Pteropoda.

A class of Mollusca in which the anterior lobes of the foot are developed in the form of broad, thin, winglike organs, with which they swim at near the surface of the sea.

Of or pertaining to the Pteropoda.

A pterodactyl.

An extinct order of flying reptiles of the Mesozoic age; the pterodactyls; -- called also Pterodactyli, and Ornithosauria.

Of or pertaining to the Pterosauria.

A thickened opaque spot on the wings of certain insects.

Of or pertaining to, or designating, a bone between the prootic and epiotic in the dorsal and outer part of the periotic capsule of many fishes. The pterotic bone.

A superficial growth of vascular tissue radiating in a fanlike manner from the cornea over the surface of the eye.

Like a bird's wing in form; as, a pterygoid bone. Of, pertaining to, or in the region of, the pterygoid bones, pterygoid processes, or the whole sphenoid bone. A pterygoid bone.

Of or pertaining to the inner pterygoid plate, or pterygoid bone, and the lower jaw.

Of or pertaining to the pterygoid processes and the palatine bones.

A specially modified part of the ventral fin in male elasmobranchs, which serves as a copulatory organ, or clasper.

Of, pertaining to, or representing the pterygoid and quadrate bones or cartilages.

One of the definite areas of the skin of a bird on which feathers grow; -- contrasted with apteria.

The study or description of the arrangement of feathers, or of the pteryl/, of birds.