A natural family consisting of the plant lice.

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

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.

A tribe.

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

A tubercle on any external part of the body.

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

An order of Siphonophora which includes Physalia.

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

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

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

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

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

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

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.

The doctrine that matter is the only reality.

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

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

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

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.

Licensed as a physician.

The tendency of the mind toward, or its preoccupation with, physical phenomena; materialism in philosophy and religion.

One versed in physics.

p. pr. vb. n. fr. Physic, v. t.

Mixed mathematics.

The philosophy of nature.

Theology or divinity illustrated or enforced by physics or natural philosophy.

Involving the principles of both physics and chemistry; dependent on, or produced by, the joint action of physical and chemical agencies.

Logic illustrated by physics.

Of or pertaining to physicologic.

Physics.

The science of nature, or of natural objects; that branch of science which treats of the laws and properties of matter, and the forces acting upon it; especially, that department of natural science which treats of the causes (as gravitation, heat, light, magnetism, electricity, etc.) that modify the general properties of bodies; natural philosophy.

One of the followers of Quesnay of France, who, in the 18th century, founded a system of political economy based upon the supremacy of natural order.

The germ history of the functions, or the history of the development of vital activities, in the individual, being one of the branches of ontogeny. See Morphogeny.

Physiognomist.

Of or pertaining to physiognomy; according with the principles of physiognomy.

One skilled in physiognomy.

To observe and study the physiognomy of.

Physiognomic.

The art and science of discovering the predominant temper, and other characteristic qualities of the mind, by the outward appearance, especially by the features of the face.

The birth of nature.

Of or pertaining to physiography.

The science which treats of the earth's exterior physical features, climate, life, etc., and of the physical movements or changes on the earth's surface, as the currents of the atmosphere and ocean, the secular variations in heat, moisture, magnetism, etc.; physical geography.

The worship of the powers or agencies of nature; materialism in religion; nature worship.

A physiologist.

Physiological.

Of or pertaining to physiology; relating to the science of the functions of living organism; as, physiological botany or chemistry.

In a physiological manner.

One who is versed in the science of physiology; a student of the properties and functions of animal and vegetable organs and tissues.

To speculate in physiology; to make physiological investigations.

The science which treats of the phenomena of living organisms; the study of the processes incidental to, and characteristic of, life.

The tribal history of the functions, or the history of the paleontological development of vital activities, -- being a branch of phylogeny. See Morphophyly.

Therapy that uses physical agents: exercise and massage and so on.

The natural constitution, or physical structure, of a person.

Physiogmony.

One of the Physoclisti.

An order of teleost in which the air bladder has no opening.

Any siphonophore which has an air sac for a float, as the Physalia.

An order of Siphonophora, furnished with an air sac, or float, and a series of nectocalyces. See Illust. under Nectocalyx.

One of the Physopoda; a thrips.

An alkaloid found in the Calabar bean (the seed of Physostigma venenosum), and extracted as a white, tasteless, substance, amorphous or crystalline; -- formerly called eserine, with which it was regarded as identical.

An order of fishes in which the air bladder is provided with a duct, and the ventral fins, when present, are abdominal. It includes the salmons, herrings, carps, catfishes, and others.

Having a duct to the air bladder. Pertaining to the Physostomi.

A genus of South American palm trees, the seeds of which furnish the substance called vegetable ivory.

Feeding on plants or herbage; phytophagous; as, phytivorous animals.

Relating to phytochemistry.

Chemistry in its relation to vegetable bodies; vegetable chemistry.

Phytochemistry.

The doctrine of the generation of plants.

Of or pertaining to phytogeography.

The geographical distribution of plants.

Relating to phytoglyphy.

See Nature printing, under Nature.

Of or pertaining to phytography.

The science of describing plants in a systematic manner; also, a description of plants.

Resembling a plant; plantlike.

A genus of herbaceous plants, some of them having berries which abound in intensely red juice; poke, or pokeweed.

An old name for a fossil plant.

One versed in phytolithology; a paleobotanist.

The branch of science which treats of fossil plants; -- usually called paleobotany, sometimes paleophytology.

Of or pertaining to phytology; botanical.

One skilled in phytology; a writer on plants; a botanist.

The science of plants; a description of the kinds and properties of plants; botany.

An organic element of a flowering plant; a phyton.

One of the parts which by their repetition make up a flowering plant, each being a single joint of a stem with its leaf or leaves; a phytomer.

The science of the origin and growth of plants.

One skilled in diseases of plants.

The science of diseases to which plants are liable.

A division of Hymenoptera; the sawflies.

Phytophagous.

Feeding on plants; herbivorous; as, a phytophagous animal.

The eating of plants.

Vegetable physiology.

One versed in phytotomy.

The dissection of plants; vegetable anatomy.

Same as Infusoria.

A plantlike animal. The term is sometimes applied to zoophytes.

See Phiz.

To put into a mixed and disordered condition, as type; to mix and disarrange the type of; as, to pi a form.

The pineapple. Pi/a cloth or the fiber of which it is made.

A pedestal of small size, used to support small objects, as busts, vases, and the like.

The edible seed of several species of pine; also, the tree producing such seeds, as Pinus Pinea of Southern Europe, and Pinus Parryana, cembroides, edulis, and monophylla, the nut pines of Western North America. See Monkey's puzzle.

See Piassava.

A heinous offense which requires expiation.

Expiatory; atoning.

The quality or state of being piacular; criminality; wickedness.

Same as Piacular.

Pertaining to the pia mater.

The yaws. See Yaws.

The magpie. The lesser woodpecker.

A small piano; a pianino.

A pianette, or small piano.

Very soft; -- a direction to execute a passage as softly as possible. (Abbrev. pp.)

A performer, esp. a skilled performer, on the piano.

Soft; -- a direction to the performer to execute a certain passage softly, and with diminished volume of tone. (Abbrev. p.)

A well-known musical instrument somewhat resembling the harpsichord, and consisting of a series of wires of graduated length, thickness, and tension, struck by hammers moved by keys.

A form of melodiograph applied to a piano.

A mechanically operated piano that uses a roll of perforated paper to activate the keys.

A West African pie (Ptilostomus Senegalensis).

One of a religious order who are the regular clerks of the Scuole Pie (religious schools), an institute of secondary education, founded at Rome in the last years of the 16th century.