12-letter words containing o, s, h, i
- opisthotonos — Spasm of the muscles causing backward arching of the head, neck, and spine, as in severe tetanus, some kinds of meningitis, and strychnine poisoning.
- optic chiasm — a site at the base of the forebrain where the inner half of the fibers of the left and right optic nerves cross to the opposite side of the brain.
- or something — You use something in expressions such as 'or something' and 'or something like that' to indicate that you are referring to something similar to what you have just mentioned but you are not being exact.
- oral history — information of historical or sociological importance obtained usually by tape-recorded interviews with persons whose experiences and memories are representative or whose lives have been of special significance.
- orchestrions — Plural form of orchestrion.
- orchidaceous — belonging to the plant family Orchidaceae.
- oreopithecus — a genus of fossil primate from the Miocene coal deposits of Italy, formerly considered to be a possible hominid.
- orichalceous — relating to or resembling orichalc
- ornithopters — Plural form of ornithopter.
- ornithoscopy — divination from the observation of birds
- ortho-cousin — parallel cousin.
- orthoclastic — (of a crystal) having cleavages at right angles to each other.
- orthocousins — the children of two brothers or two sisters
- orthodontics — the branch of dentistry dealing with the prevention and correction of irregular teeth, as by means of braces.
- orthodontist — the branch of dentistry dealing with the prevention and correction of irregular teeth, as by means of braces.
- orthodromics — the act or art of sailing on a great circle
- orthogenesis — Biology. Also called orthoselection. evolution of a species proceeding by continuous structural changes in a single lineage without presenting a branching pattern of descent. a theory that the evolution of a species in a continuous, nonbranching manner is due to a predetermined series of alterations intrinsic to the species and not subject to natural selection.
- orthopaedics — (used with a singular verb) the medical specialty concerned with correction of deformities or functional impairments of the skeletal system, especially the extremities and the spine, and associated structures, as muscles and ligaments.
- orthopaedist — Alternative spelling of orthopedist.
- orthopterist — someone who studies the Orthoptera
- orthosilicic — (chemistry) Of, relating to or derived from orthosilicic acid.
- orthotonesis — accentuation of a proclitic or enclitic
- orthotropism — Botany. orthotropic tendency or growth.
- oscillograph — a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
- osteichthyes — the class comprising the bony fishes.
- ostrich fern — a tall North American fern, Matteuccia struthiopteris, with large mature leaves that resemble ostrich plumes, a popular landscaping plant whose curled new leaves, called fiddleheads, are eaten as a vegetable.
- out of sight — Slang. fantastic; great; marvelous: an out-of-sight guitarist.
- out-of-sight — Slang. fantastic; great; marvelous: an out-of-sight guitarist.
- outlandishly — In an outlandish manner.
- outpouchings — Plural form of outpouching.
- outthrusting — Present participle of outthrust.
- overemphasis — excessive or undue emphasis.
- overfinished — having an excessively polished finish
- overflourish — to flourish excessively
- overlordship — a person who is lord over another or over other lords: to obey the will of one's sovereign and overlord.
- overshipment — an act or instance of shipping freight or cargo.
- owing to sth — You use owing to when you are introducing the reason for something.
- oyster white — a slightly grayish white; off-white.
- packinghouse — a building where foodstuffs are packed
- panning shot — pan3 (def 6).
- pantophagist — an omnivore
- parachronism — a chronological error in which a person, event, etc., is assigned a date later than the actual one.
- paramorphism — the process by which a paramorph is formed.
- paraphimosis — inability to retract the penis into the prepuce as a result of narrowing of the prepuce
- parapophysis — the process of a vertebra
- parasphenoid — a bone next to the sphenoid bone in the skull of some animals
- parish house — a building used by a church chiefly for administrative and social purposes.
- parochialise — to make parochial.
- parochialism — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- parochialist — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.