12-letter words containing h, e, r, o, i
- orchidaceous — belonging to the plant family Orchidaceae.
- orchidectomy — orchiectomy.
- 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.
- 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.
- 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.
- 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.
- overnighting — for or during the night: to stay overnight.
- overreaching — to reach or extend over or beyond: The shelf overreached the nook and had to be planed down.
- 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.
- overwhelming — that overwhelms; overpowering: The temptation to despair may become overwhelming.
- overwithhold — to withhold too much.
- oyster white — a slightly grayish white; off-white.
- ozonic ether — a solution of hydrogen peroxide in ethyl ether.
- paedomorphic — showing signs of paedomorphism
- pakeha māori — (in the 19th century) a European who adopted the Māori way of life
- paramorphine — thebaine.
- paranthelion — a bright spot in the sky caused by refraction and occurring at an angular distance from the sun of between 90° and 140°
- 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.
- parochialize — to make parochial.
- pearl hominy — whole or ground hulled corn from which the bran and germ have been removed by bleaching the whole kernels in a lye bath (lye hominy) or by crushing and sifting (pearl hominy)
- pedomorphism — a speeding up of the rate of development, resulting in an adult form that has the appearance of its larval or juvenile ancestor.
- perichoresis — the relationship between or interlinking of the three Persons of the Trinity (Father, Son, and Holy Spirit)
- pericynthion — the point at which a spacecraft launched from earth into a lunar orbit is nearest the moon
- perionychium — the epidermis surrounding the base and sides of a fingernail or toenail.
- peritrichous — (of bacteria) having a uniform distribution of flagella over the body surface.
- 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
- phanerogamic — any of the Phanerogamia, a former primary division of plants comprising those having reproductive organs; a flowering plant or seed plant (opposed to cryptogam).