12-letter words containing r, i, c, h, o
- normal pitch — relative point, position, or degree: a high pitch of excitement.
- normothermic — (medicine) Having a normal body temperature.
- north africa — the northern part of Africa, especially the region north of the tropical rain forest and comprised of Morocco, Algeria, Tunisia, Libya, and that part of Egypt west of the Gulf of Suez.
- north-facing — facing towards the north
- ochlocracies — Plural form of ochlocracy.
- octastrophic — having or containing eight verses or strophes
- office hours — hours when a business is open
- officeholder — a person filling a governmental position; public official.
- oligarchical — of, relating to, or having the form of an oligarchy.
- oligophrenic — less than normal mental development.
- oligotrophic — (of a lake) characterized by a low accumulation of dissolved nutrient salts, supporting but a sparse growth of algae and other organisms, and having a high oxygen content owing to the low organic content.
- olive branch — a branch of the olive tree as an emblem of peace.
- ophiomorphic — snakelike in form, or resembling the form of a snake
- orchestrions — Plural form of orchestrion.
- orchidaceous — belonging to the plant family Orchidaceae.
- orchidectomy — orchiectomy.
- orchidomania — an obsession with or passion for orchids
- 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
- ornithomancy — Divination by means of birds, their flight, etc.
- ornithoscopy — divination from the observation of birds
- orographical — relating to the study of mountains
- 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.
- orthodromics — the act or art of sailing on a great circle
- orthogenetic — pertaining to or exhibiting orthogenesis.
- orthognathic — straight-jawed; having the profile of the face vertical or nearly so; having a gnathic index below 98.
- orthographic — of or relating to orthography.
- 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.
- orthopedical — (American spelling) Alternative form of orthopaedical.
- orthorhombic — noting or pertaining to a system of crystallization characterized by three unequal axes intersecting at right angles; rhombic; trimetric.
- orthosilicic — (chemistry) Of, relating to or derived from orthosilicic acid.
- orthovanadic — relating to orthovanadates
- 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.
- 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.
- other income — Other income is income that does not come from a company's main business, such as interest.
- overachieved — Simple past tense and past participle of overachieve.
- overachiever — to perform, especially academically, above the potential indicated by tests of one's mental ability or aptitude.
- overcharging — Present participle of overcharge.
- overemphatic — excessive or undue emphasis.
- overreaching — to reach or extend over or beyond: The shelf overreached the nook and had to be planed down.
- ozonic ether — a solution of hydrogen peroxide in ethyl ether.
- paedomorphic — showing signs of paedomorphism
- paimio chair — a chair developed by Alvar Aalto between 1930 and 1933, having two continuous, ribbonlike elements made of bent laminated birch veneers forming the arms and legs and supporting a sheet of bent plywood that forms the back and seat.
- panchromatic — sensitive to all visible colors, as a photographic film.
- parachronism — a chronological error in which a person, event, etc., is assigned a date later than the actual one.
- parochialise — to make parochial.
- parochialism — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.