12-letter words containing r, e, t, h, i
- oreopithecus — a genus of fossil primate from the Miocene coal deposits of Italy, formerly considered to be a possible hominid.
- ornithopters — Plural form of ornithopter.
- 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.
- orthogenetic — pertaining to or exhibiting orthogenesis.
- 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.
- orthopterist — someone who studies the Orthoptera
- orthopteroid — (zoology) Any of the insects historically included in the order Orthoptera, including the cockroaches, earwigs, praying mantises, etc.
- orthotonesis — accentuation of a proclitic or enclitic
- 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.
- over-the-air — of or relating to any means of broadcast transmission.
- overemphatic — excessive or undue emphasis.
- overnighting — for or during the night: to stay overnight.
- overshipment — an act or instance of shipping freight or cargo.
- overweighted — weighing too much or more than is considered normal, proper, etc.: overweight luggage; an overweight patient; two letters that may be overweight.
- overwithhold — to withhold too much.
- oyster white — a slightly grayish white; off-white.
- ozonic ether — a solution of hydrogen peroxide in ethyl ether.
- paper-weight — a small, heavy object of glass, metal, etc., placed on papers to keep them from scattering.
- paraesthesia — an abnormal sensation, as prickling, itching, etc.
- paraesthetic — paresthesia.
- paranthelion — a bright spot in the sky caused by refraction and occurring at an angular distance from the sun of between 90° and 140°
- parchmentize — to treat (paper or the like) so that it resembles parchment.
- parenthesize — to insert (a word, phrase, etc.) as a parenthesis.
- parity check — a method for detecting errors in data communications or within a computer system by counting the number of ones or zeros per byte or per word, including a special check bit (parity bit) to see if the value is even or odd.
- patent right — the exclusive right granted by a patent, as on an invention.
- pathbreaking — pertaining to blazing a trail or path.
- patriarchate — the office, dignity, jurisdiction, province, or residence of an ecclesiastical patriarch.
- pearly white — white and lustrous as a pearl.
- peltier heat — the heat gained or lost at a junction of a thermocouple due to the Peltier effect.
- perichaetial — denoting the leaves in mosses that surround the archegonia and, later, the base of the sporophyte
- perichaetium — a leafy cluster (bracts) around the base of the reproductive organs of some plants, predominantly mosses
- pericynthion — the point at which a spacecraft launched from earth into a lunar orbit is nearest the moon
- periphrastic — circumlocutory; roundabout.
- peristrephic — that turns around or revolves
- peritrichate — (of bacteria) having flagella on the entire surface.
- peritrichous — (of bacteria) having a uniform distribution of flagella over the body surface.
- petite sirah — a dry red wine produced mainly in California
- petrochemist — someone who studies petrochemistry or works in the petrochemical industry
- petroglyphic — relating to or having the characteristics of a petroglyph or carving made in rock
- petrophysics — the analysis of the constitution and characteristics of rocks
- pharmaceutic — pertaining to pharmacy or pharmacists.
- pharmacolite — hydrous calcium arsenate, 2CaO⋅As 2 O 5 ⋅5H 2 O, formed by natural alteration of mineral deposits containing arsenopyrite and arsenical ores of cobalt and silver.
- phenocrystic — relating to a phenocryst
- photo relief — a method of showing the configuration of the relief of an area by photographing a model of it that is illuminated by a lamp in the northwest corner
- photorealism — a style of painting flourishing in the 1970s, especially in the U.S., England, and France, and depicting commonplace scenes or ordinary people, with a meticulously detailed realism, flat images, and barely discernible brushwork that suggests and often is based on or incorporates an actual photograph.
- photothermic — pertaining to the thermal effects of light.
- phrenologist — a psychological theory or analytical method based on the belief that certain mental faculties and character traits are indicated by the configurations of the skull.