12-letter words containing s, e, t, p, o
- operatorless — Without an operator (person who operates); fully automatic.
- operatorship — (in the oil and gas industries) the right to operate a well, field, or other oil source.
- opposite sex — man if woman, woman if man
- oppositeness — The state or condition of being opposite.
- optogenetics — (genetics) A science that combines optics and genetics to probe neural circuits.
- optometrists — Plural form of optometrist.
- 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.
- 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.
- orthopterans — Plural form of orthopteran.
- orthopterist — someone who studies the Orthoptera
- orthopterous — belonging or pertaining to the Orthoptera, an order of insects, including the cockroaches, mantids, walking sticks, crickets, grasshoppers, and katydids, characterized by leathery forewings, membranous hind wings, and chewing mouthparts.
- osmoreceptor — A sensory receptor, primarily found in the hypothalamus of most homeothermic organisms, that detects changes in osmotic pressure.
- osteoplastic — Surgery. pertaining to osteoplasty.
- osteoporosis — a disorder in which the bones become increasingly porous, brittle, and subject to fracture, owing to loss of calcium and other mineral components, sometimes resulting in pain, decreased height, and skeletal deformities: common in older persons, primarily postmenopausal women, but also associated with long-term steroid therapy and certain endocrine disorders.
- osteoporotic — of, relating to, or caused by osteoporosis.
- out of phase — in an unsynchronized way
- out of shape — person: unfit
- outside loop — a loop during which the back of the airplane is on the outer side of the curve described by the course of flight.
- outspreading — Present participle of outspread.
- overoptimism — a disposition or tendency to look on the more favorable side of events or conditions and to expect the most favorable outcome.
- overoptimist — someone who is too optimistic
- overshipment — an act or instance of shipping freight or cargo.
- oyster plant — salsify.
- paedobaptism — the baptism of infants
- paedobaptist — a person who baptizes infants
- paedodontics — the branch of dentistry that focuses on the care of children's teeth
- papoose-root — the blue cohosh. See under cohosh.
- paraglossate — having paraglossae
- pas de trois — a dance for three dancers.
- passing note — a note that is foreign to a harmony and is introduced between two successive chord tones in order to produce a melodic transition.
- passionately — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- pastoralness — the quality or state of being pastoral or rural
- pasture rose — a bristly-stemmed rose, Rosa carolina, of the eastern U.S., having slender, straight thorns and large, solitary, rose-pink flowers.
- patent rolls — (in Britain) the register of patents issued
- pathogeneses — the production and development of disease.
- pathogenesis — the production and development of disease.
- pause button — a button on a video or music player which can be pressed to temporarily stop the playing of the recording
- paving stone — slab used to lay a path
- pearl oyster — any of several marine bivalve mollusks of the family Pteriidae, some of which form pearls of great value, inhabiting waters of eastern Asia and off the coasts of Panama and Baja California.
- pekinologist — a person who studies the People's Republic of China
- penalty shot — a free shot at the goal defended only by the goalkeeper, awarded to an offensive player for certain defensive violations.
- penalty spot — a point within the penalty area and 12 yards (about 11 m) from the goal, from which a penalty kick may be taken
- penny stocks — Penny stocks are high-risk stock that sells for a very low price outside of the main stock exchange.
- percutaneous — administered, removed, or absorbed by way of the skin, as an injection, needle biopsy, or transdermal drug.
- perforations — the holes punched that allow individual stamps, coupons, etc to be easily separated
- perfusionist — a medical technician or nurse who monitors and operates equipment that oxygenates the blood, as during open-heart surgery
- period costs — Period costs are general costs that cannot be associated with a particular product, such as utilities or insurance.
- periodontics — the branch of dentistry dealing with the study and treatment of diseases of the periodontium.