The tendency in fluids to mix, or become equably diffused, when in contact. It was first observed between fluids of differing densities, and as taking place through a membrane or an intervening porous structure. An older term for the phenomenon was Osmose. The action produced by this tendency.

Pertaining to, or having the property of, osmosis; as, osmotic force.

The pressure which a solution of a substance in a liquid exerts on a semipermeable membrane, through which the solvent can diffuse but the dissolved substance (the solute) cannot diffuse, when separated across the membrane from the pure solvent. In general, the osmotic pressure will depend almost proportionally up to certain concentrations upon the molal concentration of the solute.

A fern of the genus Osmunda, or flowering fern. The most remarkable species is the osmund royal, or royal fern (Osmunda regalis), which grows in wet or boggy places, and has large bipinnate fronds, often with a panicle of capsules at the top. The rootstock contains much starch, and has been used in stiffening linen.

A species of coarse linen, originally made in Osnaburg, Germany.

The small, blueblack, drupelike fruit of the Nuttallia cerasiformis, a shrub of Oregon and California, belonging to the Cherry tribe of Rosaceae.

The olfactory organ of some Mollusca. It is connected with the organ of respiration.

The fishhawk (Pandion haliaetus).

To prophesy; to presage.

A prophetic or ominous utterance.

A fish having a bony skeleton; a teleost.

The organic basis of bone tissue; the residue after removal of the mineral matters from bone by dilute acid; in embryonic tissue, the substance in which the mineral salts are deposited to form bone; bone collagen; -- called also ostein. Chemically it is the same as collagen.

A little bone.

Composed of bone; resembling bone; capable of forming bone; bony; ossific.

A species of sturgeon.

Of or pertaining to, or characteristic of, Ossian, a legendary Erse or Celtic bard.

A little bone; as, the auditory ossicles in the tympanum of the ear.

Of or pertaining to an ossicle.

Of or pertaining to an ossicle.

Having small bones.

Same as Ossicle.

Containing or yielding bone.

Capable of producing bone; having the power to change cartilage or other tissue into bone.

The formation of bone; the process, in the growth of an animal, by which inorganic material (mainly lime salts) is deposited in cartilage or membrane, forming bony tissue; ostosis.

Changed to bone or something resembling bone; hardened by deposits of mineral matter of any kind; -- said of tissues.

The lammergeir. The young of the sea eagle or bald eagle.

Serving to break bones; bone-breaking.

To become bone; to change from a soft tissue to a hard bony tissue.

Changing into bone; becoming bone; as, the ossifying process.

Feeding on bones; eating bones; as, ossivorous quadrupeds.

The osprey.

A charnel house; an ossuary.

A place where the bones of the dead are deposited; a charnel house.

See Oast.

Osseous.

Ossein.

Inflammation of bone.

Same as Hosteler.

To exhibit; to manifest.

The quality or state of being ostensible.

In an ostensible manner; avowedly; professedly; apparently.

The showing of the sacrament on the altar in order that it may receive the adoration of the communicants.

Showing; exhibiting.

In an ostensive manner.

Same as Monstrance.

To make an ambitious display of; to show or exhibit boastingly.

The act of ostentating or of making an ambitious display; unnecessary show; pretentious parade; -- usually in a detractive sense.

Fond of, or evincing, ostentation; unduly conspicuous; pretentious; boastful.

One fond of display; a boaster.

Ostentatious.

Ostentatious.

A combining form of Gr. 'oste`on a bone.

One of the protoplasmic cells which occur in the osteogenetic layer of the periosteum, and from or around which the matrix of the bone is developed; an osteoplast.

The operation of breaking a bone in order to correct deformity.

Same as myeloplax, a large multinucleate cell within the bone, which functions in the absroption and removal of bone tissue.

A metamere of the vertebrate skeleton; an osteomere; a vertebra.

Pain in the bones; a violent fixed pain in any part of a bone.

The bony cranium, as distinguished from the cartilaginous cranium.

A hard substance, somewhat like bone, which is sometimes deposited within the pulp cavity of teeth.

The soft tissue, or substance, which, in developing bone, ultimately undergoes ossification.

Osteogenetic.

The formation or growth of bone.

An osteologist.

The description of bones; osteology.

Resembling bone; bonelike.

A massive impure apatite, or calcium phosphate.

One versed in osteology; an osteologist.

Of or pertaining to osteology.

One who is skilled in osteology; an osteologer.

The science which treats of the bones of the vertebrate skeleton.

Softening and absorption of bone.

A tumor composed mainly of bone; a tumor of a bone.

A disease of the bones, in which they lose their earthy material, and become soft, flexible, and distorted. Also called malacia.

Divination by means of bones.

An osteocomma.

A practitioner of osteopathy.

Of or pertaining to osteopathy.

One who practices osteopathy; an osteopath.

Any disease of the bones. A system of treatment based on the theory that diseases are chiefly due to deranged mechanism of the bones, nerves, blood vessels, and other tissues, and can be remedied by manipulations of these parts. Modern practitioners use the therapeutic and diagnostic techniques of modern medicine as well as manipulative procedures.

Inflammation of a bone and its periosteum.

An instrument for transmission of auditory vibrations through the bones of the head, so as to be appreciated as sounds by persons deaf from causes other than those affecting the nervous apparatus of hearing.

An osteoblast.

An operation or process by which the total or partial loss of a bone is remedied.

An absorption of bone so that the bone tissue becomes unusually porous. It occurs especially in elderly men and postmenopausal women, and predisposes the elderly to fractures of the bones.

Having bones in the fins, as certain fishes.

A tumor having the structure of a sarcoma in which there is a deposit of bone; sarcoma connected with bone.

Abnormal hardness and density of bone.

Strong nippers or a chisel for dividing bone.

One skilled in osteotomy.

The dissection or anatomy of bones; osteology.

Same as Vertebrata.

The mouth of a river; an estuary.

Pertaining to, or applied to, the language of the Tuscaroras, Iroquois, Wyandots, Winnebagoes, and a part of the Sioux Indians.

The exterior opening of a stomate. See Stomate. Any small orifice.

See Osteitis.

An opening; a passage.

See Hostler.

A female ostler.

See Hostelry.

East men; Danish settlers in Ireland, formerly so called.

Bone formation; ossification. See Ectostosis, and Endostosis.

A division of bivalve mollusks including the oysters and allied shells.

Any one of a family of bivalves, of which the oyster is the type.

A genus of plectognath fishes of the family Ostraciontidae having the body covered with solid, immovable, bony plates. It includes the trunkfishes (also called boxfish).

A fish of the genus Ostracion and allied genera.

Same as ostracize.

Banishment by popular vote, -- a means adopted at Athens to rid the city of a person whose talent and influence gave umbrage.

A fossil oyster.

To exile by ostracism; to banish by a popular vote, as at Athens.

A member of the Ostracoda, an order of tiny marine and freshwater crustaceans with a shrimplike body enclosed in a bivalve shell.

An order of Entomostraca possessing shrimplike bodies enclosed in hard bivalve shells; called also seed shrimp and mussel shrimp. They were formerly referred to as Ostracoidea. They are of small size, and swim freely about; many are less than 1 mm in length. Microfossils of certain extinct orders have been found extending back to the Cambrian age.

Same as ostracod.

Any of several extinct fishlike jawless vertebrates having a heavily armored body; of the Paleozoic.

A suborder of fishes of which Ostracion is the type.

Of or pertaining to the Ostracoidea (now Ostracoda). One of the Ostracoidea (now Ostracoda).

An order of Entomostraca possessing hard bivalve shells. They are of small size, and swim freely about. Now usually written Ostracoda.

A genus of bivalve Mollusca which includes the true oysters.

Of or pertaining to an oyster, or to a shell; shelly.

The artificial cultivation of oysters.

One who feeds on oysters.