Ornament (n.) That which embellishes or adorns; that which adds grace or beauty; embellishment; decoration; adornment.
Ornamented (imp. & p. p.) of Ornament
Ornamenting (p. pr. & vb. n.) of Ornament
Ornament (v. t.) To adorn; to deck; to embellish; to beautify; as, to ornament a room, or a city.
Ornamental (a.) Serving to ornament; characterized by ornament; beautifying; embellishing.
Ornamentally (adv.) By way of ornament.
Ornamentation (n.) The act or art of ornamenting, or the state of being ornamented.
Ornamentation (n.) That which ornaments; ornament.
Ornamenter (n.) One who ornaments; a decorator.
Ornate (a.) Adorned; decorated; beautiful.
Ornate (a.) Finely finished, as a style of composition.
Ornate (v. t.) To adorn; to honor.
Ornately (adv.) In an ornate manner.
Ornateness (n.) The quality of being ornate.
Ornature (n.) Decoration; ornamentation.
Ornithic (a.) Of or pertaining to birds; as, ornithic fossils.
Ornithichnite (n.) The footmark of a bird occurring in strata of stone.
Ornithichnology (n.) The branch of science which treats of ornithichnites.
Ornitho- () A combining form fr. Gr. /, /, a bird.
Ornithodelphia (n. pl.) Same as Monotremata.
Ornithoidichnite (n.) A fossil track resembling that of a bird.
Ornitholite (n.) The fossil remains of a bird.
Ornitholite (n.) A stone of various colors bearing the figures of birds.
Ornithologic (a.) Alt. of Ornithological
Ornithological (a.) Of or pertaining to ornithology.
Ornithologist (n.) One skilled in ornithology; a student of ornithology; one who describes birds.
Ornithology (n.) That branch of zoology which treats of the natural history of birds and their classification.
Ornithology (n.) A treatise or book on this science.
Ornithomancy (n.) Divination by means of birds, their flight, etc.
Ornithon (n.) An aviary; a poultry house.
Ornithopappi (n. pl.) An extinct order of birds. It includes only the Archaeopteryx.
Ornithopoda (n. pl.) 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.
Ornithorhynchus (n.) See Duck mole, under Duck.
Ornithosauria (n. pl.) An order of extinct flying reptiles; -- called also Pterosauria.
Ornithoscelida (n. pl.) A group of extinct Reptilia, intermediate in structure (especially with regard to the pelvis) between reptiles and birds.
Ornithoscopy (n.) Observation of birds and their habits.
Ornithotomical (a.) Of or pertaining to ornithotomy.
Ornithotomist (n.) One who is skilled in ornithotomy.
Ornithotomy (n.) The anatomy or dissection of birds.
Orographic (a.) Alt. of Orographical
Orographical (a.) Of or pertaining to orography.
Orography (n.) That branch of science which treats of mountains and mountain systems; orology; as, the orography of Western Europe.
Orohippus (n.) A genus of American Eocene mammals allied to the horse, but having four toes in front and three behind.
Oroide (n.) An alloy, chiefly of copper and zinc or tin, resembling gold in color and brilliancy.
Orological (a.) Of or pertaining to orology.
Orologist (n.) One versed in orology.
Orology (n.) The science or description of mountains.
Orotund (a.) Characterized by fullness, clearness, strength, and smoothness; ringing and musical; -- said of the voice or manner of utterance.
Orotund (n.) The orotund voice or utterance
Orotundity (n.) The orotund mode of intonation.
Orphaline (n.) See Orpheline.
Orphan (n.) A child bereaved of both father and mother; sometimes, also, a child who has but one parent living.
Orphan (a.) Bereaved of parents, or (sometimes) of one parent.
Orphaned (imp. & p. p.) of Orphan
Orphaning (p. pr. & vb. n.) of Orphan
Orphan (v. t.) To cause to become an orphan; to deprive of parents.
Orphanage (n.) The state of being an orphan; orphanhood; orphans, collectively.
Orphanage (n.) An institution or asylum for the care of orphans.
Orphancy (n.) Orphanhood.
Orphanet (n.) A little orphan.
Orphanhood (n.) The state or condition of being an orphan; orphanage.
Orphanism (n.) Orphanhood.
Orphanotrophism (n.) The care and support of orphans.
Orphanotrophy (n.) A hospital for orphans.
Orphanotrophy (n.) The act of supporting orphans.
Orpharion (n.) An old instrument of the lute or cittern kind.
Orphean (a.) Of or pertaining to Orpheus, the mythic poet and musician; as, Orphean strains.
Orpheline (n.) An orphan.
Orpheus (n.) The famous mythic Thracian poet, son of the Muse Calliope, and husband of Eurydice. He is reputed to have had power to entrance beasts and inanimate objects by the music of his lyre.
Orphic (a.) Pertaining to Orpheus; Orphean; as, Orphic hymns.
Orphrey (n.) A band of rich embroidery, wholly or in part of gold, affixed to vestments, especially those of ecclesiastics.
Orpiment (n.) Arsenic sesquisulphide, produced artificially as an amorphous lemonyellow powder, and occurring naturally as a yellow crystalline mineral; -- formerly called auripigment. It is used in king's yellow, in white Indian fire, and in certain technical processes, as indigo printing.
Orpin (n.) A yellow pigment of various degrees of intensity, approaching also to red.
Orpin (n.) The orpine.
Orpine (n.) A low plant with fleshy leaves (Sedum telephium), having clusters of purple flowers. It is found on dry, sandy places, and on old walls, in England, and has become naturalized in America. Called also stonecrop, and live-forever.
Orrach (n.) See Orach.
Orreries (pl. ) of Orrery
Orrery (n.) An apparatus which illustrates, by the revolution of balls moved by wheelwork, the relative size, periodic motions, positions, orbits, etc., of bodies in the solar system.
Orris (n.) A plant of the genus Iris (I. Florentina); a kind of flower-de-luce. Its rootstock has an odor resembling that of violets.
Orris (n.) A sort of gold or silver lace.
Orris (n.) A peculiar pattern in which gold lace or silver lace is worked; especially, one in which the edges are ornamented with conical figures placed at equal distances, with spots between them.
Orsedew (n.) Alt. of Orsedue
Orsedue (n.) Leaf metal of bronze; Dutch metal. See under Dutch.
Orseille (n.) See Archil.
Orsellic (a.) Pertaining to, or designating, an acid found in certain lichens, and called also lecanoric acid.
Orsellinic (a.) Pertaining to, or designating, an organic acid obtained by a partial decomposition of orsellic acid as a white crystalline substance, and related to protocatechuic acid.
Orts (pl. ) of Ort
Ort (n.) A morsel left at a meal; a fragment; refuse; -- commonly used in the plural.
Ortalidian (n.) Any one of numerous small two-winged flies of the family Ortalidae. The larvae of many of these flies live in fruit; those of others produce galls on various plants.
Orthid (n.) A brachiopod shell of the genus Orthis, and allied genera, of the family Orthidae.
Orthis (n.) An extinct genus of Brachiopoda, abundant in the Paleozoic rocks.
Orthite (n.) A variety of allanite occurring in slender prismatic crystals.
Ortho- () A combining form signifying straight, right, upright, correct, regular; as, orthodromy, orthodiagonal, orthodox, orthographic.
Ortho- () A combining form (also used adjectively)
Ortho- () The one of several acids of the same element (as the phosphoric acids), which actually occurs with the greatest number of hydroxyl groups; as, orthophosphoric acid. Cf. Normal.
Ortho- () Connection with, or affinity to, one variety of isomerism, characteristic of the benzene compounds; -- contrasted with meta- or para-; as, the ortho position; hence, designating any substance showing such isomerism; as, an ortho compound.
Orthocarbonic (a.) Designating a complex ether, C.(OC2H5)4, which is obtained as a liquid of a pleasant ethereal odor by means of chlorpicrin, and is believed to be a derivative of the hypothetical normal carbonic acid, C.(OH)4.
Orthocenter (n.) That point in which the three perpendiculars let fall from the angles of a triangle upon the opposite sides, or the sides produced, mutually intersect.
Orthoceras (n.) An extinct genus of Paleozoic Cephalopoda, having a long, straight, conical shell. The interior is divided into numerous chambers by transverse septa.
Orthoceratite (n.) An orthoceras; also, any fossil shell allied to Orthoceras.