PYC'NOSTYLE, noun [Gr. thick, and column.] In ancient architecture, a building where the columns stand very close to each other; only one diameter and a half of the column being allowed to each intercolumniation.

PYE, noun [probably a contracted word, and the same as pie, a mass.]

A confused mass; the state of printing types when the sorts are mixed.

PYE, noun A bird. [See Pie.]

PY'GARG

PYG'ARGUS, noun [Gr.] A fowl of the genus Falco, the female of the hen harrier.

PYGME'AN, adjective Pertaining to a pygmy or dwarf; very small; dwarfish.

PYG'MY, noun [Latin pygmoeus; Gr. the fist; as big as the fist.]

A dwarf; a person not exceeding a cubit in highth. This appellation was given by the ancients to a fabulous race of beings inhabiting Thrace, who waged war with the cranes and were destroyed.

PYL'AGORE, noun [Gr.] In ancient Greece, a delegate or representative of a city, sent to the Amphictyonic council.

PYLOR'IC, adjective Pertaining to the pylorus; as the pyloric artery.

PYLO'RUS, noun [Gr. a gate.] The lower and right orifice of the stomach.

PYR'ACANTH, noun [Gr. fiery thorn.] A plant; a kind of thorn of the genus Mespilus.

PYRAL'LOLITE, noun [Gr. fire, and alluding to its changes of color before the blowpipe.] A new mineral found in Finland, massive and in crystals, friable and yielding to the knife. Its color is greenish.

PYR'AMID, noun [Latin pyramis. The origin and composition of this word are not ascertained. It is supposed that the Gr. fire, forms one of its component parts.] A solid body standing on a triangular, square or polygonal base, and terminating in a point at the top; or in geometry, a solid figure consisting of several triangles, whose bases are all in the same plane, and which have one common vertex.

The pyramids of Egypt may have been erected to the sun, during the prevalence of Sabianism.

A pyramid is formed by the meeting of three or more planes at a point termed the apex.

PYRAM'IDAL, adjective Pyramidical.

PYRAMID'ICAL, adjective Having the form of a pyramid.

The particles of earth being cubical, those of fire, pyramidical

A pyramidical rock.

PYRAMID'ICALLY, adverb In the form of a pyramid.

PYRAM'IDOID

PYR'AMIS, noun [Latin] A pyramid.

PYR'AMIS, n. [L.] A pyramid.

PYR'AMOID, noun [pyramid and Gr. form.] A solid figure, formed by the rotation of a semi-parabola about its base or greatest ordinate.

PYRE, noun [Latin pyra.] A funeral pile; a pile to be burnt.

PYR'ENITE, noun A mineral of a grayish black color, found in the Pyrenees, and considered as a variety of garnet. It occurs in minute rhombic dodecahedrons.

PYRETOL'OGY, noun [Gr. fever, from fire, and discourse.]

A discourse or treatise on fevers, or the doctrine of fevers.

PYR'GOM, noun A mineral, called also fassaite.

PYRIFORM, adjective [Latin , a pear, and form.] Having the form of a pear.

PYRITACEOUS, adjective Pertaining to pyrite. [See Pyritic.]

PYRITE, noun plural pyrites. [Gr., fire.] Fire-stone; a genus of inflammable substances composed of sulphur and iron or other metal; a sulphuret of iron or other metal.

Hence sable coal his massy couch extends, and stars of gold the sparkling pyrite blends.

[I have anglicized this word, according to Darwin and the French mineralogists; making pyrites a regular plural.]

PYRITIC, PYRITICAL, PYRITOUS, adjective Pertaining to pyrite; consisting of or resembling pyrite.

PYRITIC, PYRITICAL PYRITOUS, adjective Pertaining to pyrite; consisting of or resembling pyrite.

PYRITIFEROUS, adjective [pyrite and Latin , to produce.] Containing or producing pyrite.

PYRITIZE, verb transitive To convert into pyrite.

PYRITOLOGY, noun [pyrite and Gr., discourse.] A discourse or treatise on pyrites.

PYRITIC, PYRITICAL, PYRITOUS adjective Pertaining to pyrite; consisting of or resembling pyrite.

PYROGOM, noun A variety of diopside.

PYROLATRY, noun [Gr., fire; worship.] The worship of fire.

PYROLIGNEOUS, PYROLIGNIC, PYROLIGNOUS, adjective [Gr., fire; Latin , wood.] Generated or procured by the distillation of wood; a term applied to the acid obtained by the distillation of wood.

PYROLIGNEOUS, PYROLIGNIC PYROLIGNOUS, adjective [Gr., fire; Latin , wood.] Generated or procured by the distillation of wood; a term applied to the acid obtained by the distillation of wood.

PYROLIGNITE, noun [supra.] A salt formed by the combination of pyrolignous acid with another substance.

PYROLIGNEOUS, PYROLIGNIC, PYROLIGNOUS adjective [Gr., fire; Latin , wood.] Generated or procured by the distillation of wood; a term applied to the acid obtained by the distillation of wood.

PYROLITHIC, adjective [Gr., fire; stone.] The pyrolithic acid is an acid of recent discovery. It is obtained from the silvery white plates which sublime from uric acid concretions, when distilled in a retort.

PYROLOGIST, noun [See Pyrology.] A believer in the doctrine of latent heat.

PYROLOGY, noun [Gr., fire; discourse.] A treatise on heat; or the natural history of heat, latent and sensible.

PYROMALATE, noun [See Pyromalic.] A compound of malic acid and a salifiable base.

PYROMALIC, adjective [Gr., fire; Latin , an apple.] The pyromalic acid is a substance obtained by the distillation from the malic acid.

PYROMANCY, noun [Gr., fire; divination.] Divination by fire.

PYROMANTIC, adjective Pertaining to pyromancy.

PYROMANTIC, noun One who pretends to divine by fire.

PYROMETER, noun [Gr., fire; measure.]

1. An instrument for measuring the expansion of bodies by heat.

2. An instrument for measuring degrees of heat above those indicated by the mercurial thermometer; as the pyrometer of Wedgewood.

PYROMUCITE, noun A combination of pyromucous acid with another substance.

PYROMUCOUS, adjective [Gr., fire; Latin ] The pyromucous acid is obtained by the distillation of sugar or other saccharine substance.

PYROPE, noun [Gr., fire; face.] A mineral regarded as a variety of garnet, occurring in small masses or grains, never in crystals. Its color is a poppy or blood red, frequently with a tinge of orange.

PYROPHANE, noun [Gr., fire; clear.] A mineral which in its natural state is opake, but rendered transparent by heat.

PYROPHANOUS, adjective Rendered transparent by heat.

PYROPHOROUS, adjective Pertaining to or resembling pyrophorus.

PYROPHORUS, noun [Gr., fire; bearing.] A substance which takes fire on exposure to air, or which maintains or retains light.

PYROPHYSALITE. [See Topaz and Physalite.]

PYRORTHITE, noun A mineral little known, resembling orthite, but very different from it, for it burns in the flame of the blowpipe like charcoal; whereas orthite melts. pyrorthite is in black plates, thin and almost parallel.

PYROSCOPE, noun [Gr., fire; to view.] An instrument for measuring the pulsatory motion of the air, or the intensity of heat radiating from a fire.

PYROSMALITE, noun A mineral of a liver brown color, or pistachio green, occurring in six sided prisms, of a lamellar structure, found in Sweden.

PYROTARTARIC, PYROTARTAROUS, adjective [Gr., fire and tartar.] Denoting an acid obtained by distilling pure tartrite of potash.

PYROTARTARIC, PYROTARTAROUS adjective [Gr., fire and tartar.] Denoting an acid obtained by distilling pure tartrite of potash.

PYROTARTRITE, noun A salt formed by the combination of pyrotartarous acid with another substance.

PYROTECHNIC, PYROTECHNICAL, adjective [Gr., fire, art.] Pertaining to fire works or the art of forming them.

PYROTECHNIC, PYROTECHNICAL adjective [Gr., fire, art.] Pertaining to fire works or the art of forming them.

PYROTECHNICS, PYROTECHNY, noun [supra.] The art of making fire words; or the science which teaches the management and application of fire in its various operations, in gunnery, rockets, etc.

PYROTECHNIST, noun One skilled in pyrotechny.

PYROTECHNICS, PYROTECHNY noun [supra.] The art of making fire words; or the science which teaches the management and application of fire in its various operations, in gunnery, rockets, etc.

PYROTIC, adjective [Gr., to burn.] Caustic. [See Caustic.]

PYROTIC, noun A caustic machine.

PYROXENE, noun [Gr., fire; a stranger; a guest in fire, unaltered.] Augite. A species of minerals of the class of stones, which has been named volcanic shorl; but it is a family which comprehends many substances of different appearances. It is almost always crystalized, but in complicated forms.

PYROXENIC, adjective Pertaining to pyroxene, or partaking of its qualities.

PYRRHIC, noun [Latin , Gr., a nimble dance.]

1. In poetry, a foot consisting of two short syllables.

2. An ancient military dance.

PYRRHIN, noun [Gr.] A vegeto-animal substance, detected in rain water by M. Brandes.

PYRRHONIC, adjective Pertaining to Pyrrhonism.

PYRRHONISM, noun [from Pyrrho, the founder of the sceptics.] Scepticism; universal doubt.

PYRRHONIST, noun A sceptic; one who doubts of every thing.

PYTHAGOREAN, PYTHAGORIC, PYTHAGORICAL, adjective Belonging to the philosophy of Pythagoras.

PYTHAGOREAN, PYTHAGORIC PYTHAGORICAL, adjective Belonging to the philosophy of Pythagoras.

PYTHAGOREAN, PYTHAGORIC, PYTHAGORICAL adjective Belonging to the philosophy of Pythagoras.

PYTHAGORISM, noun The doctrines of Pythagoras.

PYTHIAN, adjective [from Pythia, the priestess of Apollo.] Pertaining to the priestess of Apollo, who delivered oracles.

PYTHONESS, noun [Latin , Gr., a dragon or serpent.] A sort of witch; also, the female or priestess who gave oracular answers at Delphi, in Greece.

PYTHONIC, adjective Pretending to foretell future events.

PYTHONIST, noun A conjurer.

PYX, noun [L, Gr.] The box in which the catholics keep the host.