Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Orozco A surname. orp To complain, grumble, or be discontented. Orpah A Biblical figure, daughter-in-law of Naomi, wife of Chilion. orpailleur gold prospector, gold panner orped Bold, brave, valiant; active, alert; self-assured, hardy, vigorous. orpedly Boldly; bravely; stoutly. orpeko A form of spirit possession or spiritual sickness among Maasai people, especially women. orphan A person, especially a minor, both or (rarely) one of whose parents have died. orphanage A residential institution for the care and protection of orphans. orphanarium An orphanage. orphancy The state of being an orphan. orphandom The state of being an orphan. orphaned Made an orphan by the death of one's parents. orphaner Synonym of orphan. orphaness A female orphan. orphanet A young or little orphan. orphanhood The state of being an orphan; the losing of both parents through their death. orphanin Synonym of nociceptin. orphanish Resembling or characteristic of an orphan. orphanism The state of being an orphan. orphanity The state of being an orphan; orphanhood. orphanize To orphan. orphanlike Resembling or characteristic of an orphan. orphanotrophism The care and support of orphans. orphanotrophium A kind of orphanage in ancient times. orphanotrophy A hospital for orphans. orphanry The state of being an orphan. orphanship The state of being an orphan. orphany Synonym of orphanry. orpharion A musical instrument of the Renaissance, part of the cittern family, whose metal strings are tuned like a lute's and plucked with the fingers. Orphean Of or pertaining to Orpheus, the mythical poet and musician. orpheite A trigonal-hexagonal scalenohedral mineral containing aluminum, hydrogen, lead, oxygen, phosphorus, and sulfur. orpheline An orphan. orphenadol A combination of orphenadrine and paracetamol orphenadrine An anticholinergic drug of the ethanolamine antihistamine class, closely related to diphenhydramine, used to treat painful muscle spasm and some aspects of Parkinson's disease. orpheonist A member of an orphéon. Orpheus A Thracian musician and poet, who failed to retrieve his wife Eurydice from Hades. Orphic Of or pertaining to Orphism and its doctrines and rituals. Orphical Orphic Orphically In an Orphic manner. orphine Any of a class of synthetic opioid analgesic drugs that have emerged as designer drugs. Orphism A religious movement in antiquity, supposed to have been founded by Orpheus. Orphist A member of the Orphism religious movement. Orphne A nymph who, with Acheron, had the child Ascalaphus. orphon A gene located outside the main chromosomal locus. orphrey Any elaborate embroidery, especially when made of gold thread; an object (such as clothing or fabric) adorned with such embroidery. orpiment Arsenic trisulphide, occurring naturally in crystals or massive deposits, formerly used as a dye or pigment. orpin A surname. orpine Any of several temperate succulent plants of the family Crassulaceae, that have clusters of purple flowers, especially Hylotelephium telephium. Orpington A breed of chicken, originally being one of four colours (black, white, buff or blue). Orpustan A surname from French. Orr A Scottish surname. orra Superfluous; odd, unmatched, left over. Orrantia A surname. Orrego A surname from Spanish. Orrell A suburban area and ward in the Metropolitan Borough of Wigan, Greater Manchester, England (OS grid ref SD5305). Orren A male given name. orrery A clockwork model of any given solar system. Orrick A surname from Old English. Orrico A surname from Italian. Orrin A male given name from Irish of obscure origin, possibly a variant of Oren or Oran. Orrington A town in Penobscot County, Maine, United States. orris Any of several irises that have a fragrant root, especially Iris × germanica. Orrison A surname transferred from the given name. orrisroot The root of the orris. Orroroo A town in Orroroo Carrieton council area, South Australia. Orrvale A town in the City of Greater Shepparton, north eastern Victoria, Australia. Orsa A town and municipality in Dalarna County, Sweden. Orsak A surname from Czech. Orsay A commune in Essonne department, Île-de-France, France. Orsburn A surname. orschallite A trigonal-hexagonal scalenohedral colorless mineral containing calcium, hydrogen, oxygen, and sulfur. orse otherwise. orsedew Dutch metal; bronze leaf used as imitation gold leaf. orseille orchil (lichen or dye) Orseis A naiad of a spring in Thessaly. orsellate Any salt or ester of orsellic acid. orsellinate Any salt or ester of orsellinic acid. Orser A surname from Dutch. Orsett A village in Thurrock borough, Essex, England (OS TQ6481). Orsha A city in the Vitebsk Region of Belarus. Orsino A surname from Italian. Orsk A city in Orsk, Orenburg Oblast, Asian Russia, Russia. orsolobid Any spider in the family Orsolobidae. Orson A surname. Orston A village and civil parish in Rushcliffe borough, Nottinghamshire, England (OS grid ref SK7741). ort A fragment; a scrap of leftover food; any remainder; a piece of refuse. Orta A surname. ortalid A fly of the family Ortalidae (now Ulidiidae). ortanique A cross between an orange and a tangerine. ortataxel A particular drug used in chemotherapy. Ortega A surname from Spanish. Ortenau A region in Baden-Württemberg, Germany. Ortenaukreis A rural district of Baden-Württemberg. orteronel A non-steroidal antiandrogen that was investigated as a cancer treatment but later dropped. ortet The original single parent plant from which a clone ultimately derives. ortetamine A stimulant drug of the amphetamine class. orthagan Any pyralid moth of the genus Orthaga. orthal Enacted by vertical motion (in relation to mastication) orthant An n-dimensional generalization of the quadrant (in two-dimensional Cartesian space) and octant (in three-dimensional space). orthaxial that has a straight vertebral axis orthel A kind of soil that shows little or no cryoturbation. orthenine A particular steroid glycoside. orthent A kind of shallow or "skeletal" soil, found on recent erosional surfaces or very old landforms completely devoid of weatherable minerals. orthesis An orthopedic prosthesis Orthez A town in Pyrénées-Atlantiques department, Nouvelle-Aquitaine, France. ortheziid Any scale insect of the family Ortheziidae. orthian Denoting a type of singing at a very high pitch. orthic orthoclastic orthid A brachiopod shell of the genus †Orthis (or allied genera) in the family †Orthidae. orthidic Relating to orthids. orthite A variety of allanite occurring in slender prismatic crystals ortho An isomer of a benzene derivative having two substituents adjacent on the ring. orthoacetate Any orthoester, formally derived from acetic acid, of general formula CH₃C(OR)₃ orthoacid the member of a series of oxyacids of a particular element that has the highest number of hydroxyl groups orthoaluminate A mixed metal oxide containing one aluminium three oxygen atoms in each formula, MAlO₃ orthoamphibole An amphibole with an orthorhombic structure. orthoamphibolite Metamorphic rock composed mostly of amphibole, plagioclase, with lesser amounts of epidote, zoisite, chlorite, quartz, titanite, and accessory leucoxene, ilmenite and magnetite derived from an igneous rock. orthoarsenite The simple oxyanion of arsenic AsO₃³⁻; any salt containing this anion orthoavulavirus Any avulavirus of the genus Orthoavulavirus orthobenzoate Any orthoester, formally derived from benzoic acid, of general formula C₆H₅-C(OR)₃ orthobenzoquinone One of the two isomers of quinone, 1,2-benzoquinone. orthobicupola A bicupola in which the bases have the same orientation orthobiologic A biological material used to improve the healing of broken bones and injured muscles, tendons and ligaments orthobirotunda A birotunda in which the bases have the same orientation. orthoborate Any anion derived from orthoboric acid; any salt containing this anion orthoboric boric (especially when compared with other oxyacid species of boron) orthobothriotaxic Relating to orthobothriotaxy. orthobothriotaxy The evolution of the form of bothria in animals orthobrannerite An orthorhombic-disphenoidal mineral containing hydrogen, oxygen, titanium, and uranium. orthobro A term for a young man, typically a convert or inquirer into Eastern Orthodox Christianity, who engages with the faith primarily online or superficially without deep spiritual integration. orthobunyaviral Relating to orthobunyaviruses orthobunyavirus Any of the genus Orthobunyavirus of bunyaviruses orthocaine Methyl m-amino-p-hydroxybenzoate, a fine white crystalline powder used as an anesthetic on open wounds. orthocarbonate Any polyether, of general formula C(O-R)₄, formally derived from orthocarbonic acid orthocardia the quality of having a "right heart"—proper inner attitudes, desires, and motivations orthocclusion Normal occlusion. orthocenter One of the centers (UK:centres) of a triangle, defined as being the intersection of its three altitudes; in an acute triangle, it is inside the triangle; in an obtuse triangle, it is outside the triangle; in a right-angled triangle it is the vertex opposite the hypotenuse and so is on the triangle. orthocentral Relating to the orthocenter. orthocentric Having all three pairs of opposite edges perpendicular. orthocephalic normocephalic orthocephaly The condition of being orthocephalic orthoceracone A shell which has a straight cone shape. orthoceraconic Relating to, composed of, or having the form of an orthoceracone. orthoceras Any nautiloid cephalopod mollusc of the genus Orthoceras, known only as fossils orthoceratid Any in the family Orthoceratidae of extinct cephalopods. orthoceratite An orthoceras, or fossil shell thereof. orthoceratoid Any extinct cephalopod of the subclass †Orthoceratoidea orthocerid a cephalopod of the extinct order Orthocerida. orthochamosite An orthorhombic mineral containing aluminum, hydrogen, iron, magnesium, oxygen, and silicon.