A name given to any one of the four elements, carbon, hydrogen, oxygen, and nitrogen, which are especially characteristic ingredients of organic compounds; also, by extension, to other elements sometimes found in the same connection; as sulphur, phosphorus, etc.

The origin and development of organs in animals and plants.

Of or pertaining to organogenesis.

Organogenesis.

Of or pertaining to organography.

One versed in organography.

A description of the organs of animals or plants.

Making an impression upon an organ; plastic; -- said of the effect or impression produced by any substance on the organs of touch, taste, or smell, and also on the organism as a whole.

Of or relating to organology.

The science of organs or of anything considered as an organic structure.

Pertaining to, or denoting, any one of a series of compounds of certain metallic elements bound to organic radicals; such as, methylmercury, zinc methyl, sodium ethyl, etc.; formerly refered to as metalorganic.

The designation or nomenclature of organs.

The tribal history of organs, -- a branch of morphophyly.

Having the property of producing the tissues or organs of animals and plants; as, the organoplastic cells.

Phrenology.

Relating to the creation, organization, and nutrition of living organs or parts.

One of the essential cells or elements of an organ. See Sense organule, under Sense.

An organ or instrument; hence, a method by which philosophical or scientific investigation may be conducted; -- a term adopted from the Aristotelian writers by Lord Bacon, as the title (/Novum Organon/) of part of his treatise on philosophical method.

See Origan.

A kind of double thrown silk of very fine texture, that is, silk twisted like a rope with different strands, so as to increase its strength.

Eager or immoderate excitement or action; the state of turgescence of any organ; erethism.

A sirup in which, formerly, a decoction of barley entered, but which is now prepared with an emulsion of almonds, -- used to flavor beverages or edibles.

See Organling.

Pertaining to, or of the nature of, orgies.

Proud; haughty.

Any one of a number of long, thick pieces of timber, pointed and shod with iron, and suspended, each by a separate rope, over a gateway, to be let down in case of attack. A piece of ordnance, consisting of a number of musket barrels arranged so that a match or train may connect with all their touchholes, and a discharge be secured almost or quite simultaneously.

See Orgillous.

A frantic revel; drunken revelry. See Orgies

A genus of bombycid moths whose caterpillars (esp. those of Orgyia leucostigma) are often very injurious to fruit trees and shade trees. The female is wingless. Called also vaporer moth.

See Orichalch.

Pertaining to, or resembling, orichalch; having a color or luster like that of brass.

A metallic substance, resembling gold in color, but inferior in value; a mixed metal of the ancients, resembling brass; -- called also aurichalcum, orichalcum, etc.

Brightness or strength of color.

To define the position of, in relation to the orient or east; hence, to ascertain the bearings of.

A native or inhabitant of the Orient or some Eastern part of the world; an Asiatic.

The quality or state of being oriental or eastern.

to render Oriental; to cause to conform to Oriental manners or conditions.

To move or turn toward the east; to veer from the north or south toward the east.

Adjusted or aligned to surroundings or circumstances; sometimes used in combination; as, to get oriented on one's first day at a new job.

aligning; positioning; setting into proper alignment.

The quality or state of being orient or bright; splendor.

A mouth or aperture, as of a tube, pipe, etc.; an opening; as, the orifice of an artery or vein; the orifice of a wound.

The ancient royal standard of France.

A genus of aromatic labiate plants, including the sweet marjoram (Origanum Marjorana) and the wild marjoram (Origanum vulgare).

The opinions of Origen of Alexandria, who lived in the 3d century, one of the most learned of the Greek Fathers. Prominent in his teaching was the doctrine that all created beings, including Satan, will ultimately be saved.

A follower of Origen of Alexandria.

Capable of being originated.

One who is original.

The quality or state of being original.

In the original time, or in an original manner; primarily; from the beginning or origin; not by derivation, or imitation.

The quality of being original; originality.

Originating; original.

Causing existence; productive.

To take first existence; to have origin or beginning; to begin to exist or act; as, the scheme originated with the governor and council.

Having power, or tending, to originate, or bring into existence; originating.

One who originates.

A semicircular projection made at the shoulder of a bastion for the purpose of covering the retired flank, -- found in old fortresses.

See Oriel.

Any one of various species of Old World singing birds of the family Oriolidae. They are usually conspicuously colored with yellow and black. The European or golden oriole (Oriolus galbula, or Oriolus oriolus) has a very musical flutelike note. In America, any one of several species of the genus Icterus, belonging to the family Icteridae. See Baltimore oriole, and Orchard oriole, under Orchard.

A natural family of Old World orioles.

A large and bright constellation on the equator, between the stars Aldebaran and Sirius. It contains a remarkable nebula visible to the naked eye.

Designating, or pertaining to, certain beds, chiefly limestone, characteristic of the latest period of the Silurian age.

Of or pertaining to orismology.

That department of natural history which treats of technical terms; the science of defining technical terms.

A prayer; a supplication.

Horizon.

See Orc.

Of or pertaining to the Orkney islands.

A cloth made of worsted and cotton, -- used for wearing apparel.

A wind instrument of music in use among the Spaniards.

The lowest deck of a vessel, esp. of a ship of war, consisting of a platform laid over the beams in the hold, on which the cables are coiled.

An abalone.

A variety of brass made to resemble gold by the use of less zinc and more copper in its composition than ordinary brass contains. Its golden color is often heightened by means of lacquer of some sort, or by use of acids. Called also mosaic gold.

A genus of tropical shrubs and trees having usually odd-pinnate leaves with large leaflets and pink to reddish wood.

The good principle, or being, of the ancient Persian religion; same as Ormazd. See also Ahriman.

To ornament; to adorn.

To adorn; to deck; to embellish; to beautify; as, to ornament a room, or a city.

Serving to ornament; characterized by ornament; beautifying; embellishing.

By way of ornament.

The act or art of ornamenting, or the state of being ornamented.

One who ornaments; a decorator.

To adorn; to honor.

In an ornate manner.

The quality of being ornate.

Decoration; ornamentation.

Of or pertaining to birds; as, ornithic fossils.

The footmark of a bird occurring in strata of stone.

The branch of science which treats of ornithichnites.

Same as Monotremata.

A fossil track resembling that of a bird.

The fossil remains of a bird. A stone of various colors bearing the figures of birds.

Of or pertaining to ornithology; as, her ornithological interests.

One skilled in ornithology; a student of ornithology; one who describes birds.

That branch of Zoology which treats of the natural history of birds and their classification.

Divination by means of birds, their flight, etc.

An aviary; a poultry house.

An extinct order of birds. It includes only the Archaeopteryx.

An order of herbivorous dinosaurs with birdlike characteristics in the skeleton, esp. in the pelvis and hind legs, which in some genera had only three functional toes, and supported the body in walking as in Iguanodon. See Illust. in Appendix.

The natural family of monotremes including the platypus (duckbill) (Ornithorhyncus anatinus).

A genus of monotremes including the platypus (Ornithorhyncus anatinus). See Duck mole, under Duck.

An order of extinct flying reptiles; -- called also Pterosauria.

A group of extinct Reptilia, intermediate in structure (especially with regard to the pelvis) between reptiles and birds.

Observation of birds and their habits.

Of or pertaining to ornithotomy.

One who is skilled in ornithotomy.

The anatomy or dissection of birds.

A machine for use in making topographical maps. It is operated by being pushed across country, and not only records distances, like the perambulator, but also elevations.

Of or pertaining to orography.

That branch of science which treats of mountains and mountain systems; orology; as, the orography of Western Europe.

A camera for obtaining a circular panoramic view of the horizon. The photographic plate is placed horizontally with a vertical lens above. A mirror of peculiar shape reflects light from the entire horizon to the lens, by means of which it is focused upon the plate.

A genus of American Eocene mammals allied to the horse, but having four toes in front and three behind.

An alloy, chiefly of copper and zinc or tin, resembling gold in color and brilliancy.

Of or pertaining to orology.

One versed in orology.

The science or description of mountains.

An aneroid barometer having a second scale that gives the approximate elevation above sea level of the place where the observation is made.

Characterized by fullness, clearness, strength, and smoothness; ringing and musical; -- said of the voice or manner of utterance. The orotund voice or utterance

The orotund mode of intonation.

See Orpheline.

To cause to become an orphan; to deprive of parents.