12-letter words containing i, r, o, a, t, e
- oregon trail — a route used during the U.S. westward migrations, especially in the period from 1840 to 1860, starting in Missouri and ending in Oregon. About 2000 miles (3200 km) long.
- organoleptic — perceived by a sense organ.
- oriental rug — a rug or carpet woven usually in Asia and characterized by hand-knotted pile.
- orientations — Plural form of orientation.
- 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.
- out-marriage — a marriage to someone outside one's ethnic group
- outsider art — art produced by untutored artists working by themselves and for themselves
- outspreading — Present participle of outspread.
- ovariotomies — Plural form of ovariotomy.
- over against — in opposition to; contrary to; adverse or hostile to: twenty votes against ten; against reason.
- over-inflate — to distend; swell or puff out; dilate: The king cobra inflates its hood.
- over-reliant — having or showing dependence: reliant on money from home.
- over-the-air — of or relating to any means of broadcast transmission.
- overactivate — to make active; cause to function or act.
- overactivity — Excessive activity.
- overcapacity — capacity beyond what is normal, allowed, or desirable.
- overcautious — excessively or unnecessarily cautious: Sometimes it doesn't pay to be overcautious in business.
- overcritical — excessively critical; hypercritical.
- overdelicate — extremely or excessively delicate: an overdelicate digestive system.
- overdominant — excessively dominant
- overdrafting — the removal of more water from ground and surface basins than is replaced by rain and melting snow.
- overdramatic — of or relating to the drama.
- overemphatic — excessive or undue emphasis.
- overestimate — to estimate at too high a value, amount, rate, or the like: Don't overestimate the car's trade-in value.
- overfatigued — excessively fatigued
- overliterary — excessively literary
- overmaturity — (of a tree or forest) the state of having ceased to grow or have commercial value
- overmedicate — to treat with medicine or medicaments.
- overreaction — to react or respond more strongly than is necessary or appropriate.
- overreactive — tending to react.
- oversedation — the calming of mental excitement or abatement of physiological function, especially by the administration of a drug.
- overstaffing — the provision of an excessive number of staff for (a factory, hotel, etc)
- overstrained — exerted, taxed, or used to an excessive extent
- overtaxation — to tax too heavily.
- overtime ban — a refusal by employees to work overtime
- overtime pay — a higher than normal rate of pay, for work done as overtime
- packet radio — (communications, radio) The use of packet switched communications protocols in large networks (i.e not wireless LANs or Bluetooth) having wireless links to terminals at least. Packet radio is split into amateur packet radio (AX25) and General Packet Radio Service (GRPS).
- paint roller — a roller of absorbent material, mounted on a handle, that is rolled in a trough of paint and then rolled over a flat surface to be painted.
- paper profit — an unrealized profit due to the appreciation of something owned but not yet sold.
- paranthelion — a bright spot in the sky caused by refraction and occurring at an angular distance from the sun of between 90° and 140°
- parity error — (storage, communications) An error discovered by the inclusion of a parity bit.
- parma violet — a variety of the sweet violet, Viola odorata, that is the source of an essential oil used in perfumery.
- partial tone — one of the pure tones forming a part of a complex tone.
- particolored — having different colors in different areas or patches; variegated: a parti-colored dress.
- parvifoliate — (of plants) having small leaves in comparison with the size of the stem
- pas de trois — a dance for three dancers.
- pectoral fin — (in fishes) either of a pair of fins usually situated behind the head, one on each side, and corresponding to the forelimbs of higher vertebrates.
- pentacrinoid — a larval crinoid resembling members of the genus Pentacrinus