13-letter words containing p, a, n
- onomatopoeias — Plural form of onomatopoeia.
- onomatopoetic — the formation of a word, as cuckoo, meow, honk, or boom, by imitation of a sound made by or associated with its referent.
- onus probandi — the burden of proof.
- onychophagist — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- onychophorans — Plural form of onychophoran.
- opacification — to cause to become opaque.
- open a bottle — If you open a bottle, you remove the cork or cap.
- open adoption — an arrangement in which contact is maintained or allowed between a child's adoptive and biological parents.
- open and shut — immediately obvious upon consideration; easily decided: an open-and-shut case of murder.
- open diapason — a full, rich outpouring of melodious sound.
- open fracture — compound fracture.
- open interval — (mathematics) A type of interval (range of numbers) that does not include either of its endpoints. For example, when mixing red and blue paint, the proportion of red lies in the interval 0% to 100% but can't be exactly 0% or 100% or it wouldn't be a mixture.
- open learning — a system of further education on a flexible part-time basis
- open marriage — a marriage in which the partners agree that each is free to have sexual relationships with other partners.
- open sandwich — a sandwich served on only one slice of bread, without a covering slice.
- open-and-shut — immediately obvious upon consideration; easily decided: an open-and-shut case of murder.
- open-standard — (of computer programs, codes, etc) freely available to all users
- openheartedly — Alt form open-heartedly.
- opentransport — (networking) (OT) A complete reimplementation of all levels of the Macintosh networking code including "Classic" AppleTalk and MacTCP. It appeared in MacOS revision 7.5.3 [or earlier? Date?].
- opera company — a company that puts on productions of operas
- operationally — able to function or be used; functional: How soon will the new factory be operational?
- operativeness — (uncountable) The state or quality of being operative.
- opinionatedly — In an opinionated manner.
- opisthobranch — any gastropod mollusk of the order Opisthobranchia, as the sea slugs, sea butterflies, and sea hares, characterized by a vestigial or absent mantle and shell and two pairs of tentacles.
- oppignoration — the act or an instance of pawning or pledging
- oppositionary — the action of opposing, resisting, or combating.
- oprahfication — the perceived increase in people’s desire to discuss their emotions or personal problems, attributed to the influence of confessional television programmes
- optical bench — an apparatus, as a special table or rigid beam, for the precise positioning of light sources, screens, and optical instruments used for optical and photometric studies, having a ruled bar to which these devices can be attached and along which they can be readily adjusted.
- optical crown — an optical glass of low dispersion and relatively low refractive index. It is used in the construction of lenses
- optical flint — an optical glass of high dispersion and high refractive index containing lead oxide. They are used in the manufacture of lenses, artificial gems, and cut glass
- optical sound — sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack.
- optimizations — Plural form of optimization.
- ora pro nobis — a Latin invocation meaning pray for us
- organotherapy — the branch of therapeutics that deals with the use of remedies prepared from the organs of animals, as from the thyroid gland, the pancreas, or the suprarenal bodies.
- organotropism — Physiology. the attraction of microorganisms or chemical substances to particular organs or tissues of the body.
- ornithophobia — Fear of birds.
- oropharyngeal — the part of the pharynx between the soft palate and the upper edge of the epiglottis.
- orthopinakoid — a crystalline plane
- outmanipulate — to surpass in manipulation
- outwash plain — Geology. a broad, sloping landform built of coalesced deposits of outwash.
- over-planning — a scheme or method of acting, doing, proceeding, making, etc., developed in advance: battle plans.
- overexpansion — the act or process of expanding.
- overland park — a town in E Kansas, near Kansas City.
- overpedalling — the overuse of the piano's pedals
- overpotential — overvoltage.
- ovipositional — pertaining to the laying of eggs through an ovipositor
- p'u-t'ung hua — the form of Chinese, based on the Beijing dialect of Mandarin, adopted as the official national language of China.
- pacific ocean — an ocean bordered by the American continents, Asia, and Australia: largest ocean in the world; divided by the equator into the North Pacific and the South Pacific. 70,000,000 sq. mi. (181,300,000 sq. km); greatest known depth, 35,433 feet (10,800 meters).
- packing crate — A packing crate is a large wooden box in which things are put so that they can be stored or taken somewhere.
- packing house — A packing house is a company that processes and packs food, especially meat, to be sold.