12-letter words containing h, o, a, r
- orichalceous — relating to or resembling orichalc
- ormond beach — a town in NE Florida.
- ornithogalum — any plant of the genus Ornithogalum
- ornithomancy — Divination by means of birds, their flight, etc.
- orographical — relating to the study of mountains
- oropharynxes — Plural form of oropharynx.
- orthoclastic — (of a crystal) having cleavages at right angles to each other.
- orthoformate — an ester of orthoformic acid.
- orthognathic — straight-jawed; having the profile of the face vertical or nearly so; having a gnathic index below 98.
- orthogonally — Mathematics. Also, orthographic. pertaining to or involving right angles or perpendiculars: an orthogonal projection. (of a system of real functions) defined so that the integral of the product of any two different functions is zero. (of a system of complex functions) defined so that the integral of the product of a function times the complex conjugate of any other function equals zero. (of two vectors) having an inner product equal to zero. (of a linear transformation) defined so that the length of a vector under the transformation equals the length of the original vector. (of a square matrix) defined so that its product with its transpose results in the identity matrix.
- orthographer — a person versed in orthography or spelling.
- 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.
- orthopaedist — Alternative spelling of orthopedist.
- orthopedical — (American spelling) Alternative form of orthopaedical.
- orthopterans — Plural form of orthopteran.
- 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.
- out of reach — beyond arm's length
- over-fraught — Archaic. filled or laden (with): ships fraught with precious wares.
- over-the-air — of or relating to any means of broadcast transmission.
- 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.
- overemphasis — excessive or undue emphasis.
- overemphatic — excessive or undue emphasis.
- overpurchase — to acquire by the payment of money or its equivalent; buy.
- overrashness — the act of being overrash
- overreaching — to reach or extend over or beyond: The shelf overreached the nook and had to be planed down.
- pachycarpous — having a thick pericarp
- pachydermous — any of the thick-skinned, nonruminant ungulates, as the elephant, hippopotamus, and rhinoceros.
- 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.
- pakeha māori — (in the 19th century) a European who adopted the Māori way of life
- palaeography — the study of the handwritings of the past, and often the manuscripts as well, so that they may be dated, read, etc, and may serve as historical and literary sources
- palatography — a technique for observing the position of the tongue in relation to the palate during articulation, especially by placing powder or dye on the palate and then noting the area from which it has been removed by the contact of the tongue with the palate during the production of a speech sound.
- paleographer — sb who studies ancient scripts
- panchromatic — sensitive to all visible colors, as a photographic film.
- panpharmacon — a remedy or panacea
- parachronism — a chronological error in which a person, event, etc., is assigned a date later than the actual one.
- paragnathous — (of certain vertebrates) having the upper and lower jaws of equal length
- parahydrogen — the form of molecular hydrogen in which the nuclei of the two hydrogen atoms contained in the molecule have spins in opposite directions.
- paramorphine — thebaine.
- paramorphism — the process by which a paramorph is formed.
- paranthelion — a bright spot in the sky caused by refraction and occurring at an angular distance from the sun of between 90° and 140°
- paranthropus — (sometimes initial capital letter) a member of the former genus Paranthropus.
- 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
- parathormone — a hormone secreted by the parathyroids, important in the control of the calcium-phosphorus balance of the body