13-letter words containing o, p, s
- opisthography — the practice of writing on the front and back of a parchment or papyrus
- opossum block — (in New Zealand) a block of bush allocated to a licensed opossum trapper
- opportuneness — The state or condition of being opportune.
- opportunistic — adhering to a policy of opportunism; practicing opportunism.
- opportunities — Plural form of opportunity.
- oppositionary — the action of opposing, resisting, or combating.
- oppositionist — a person who offers opposition; a member of an opposition.
- opprobriously — In an opprobrious manner.
- opsonic index — the ratio of the number of bacteria destroyed by phagocytes in the blood of a test patient to the number destroyed in the blood of a normal individual
- opthalmoscope — Misspelling of ophthalmoscope.
- optic chiasma — a site at the base of the forebrain where the inner half of the fibers of the left and right optic nerves cross to the opposite side of the brain.
- optical glass — any of several types of high-quality, homogeneous, color-free glass, as flint or crown glass, having specified refractive properties, used in lenses and other components of optical systems.
- optical mouse — (hardware) Any kind of mouse that uses visible light or infrared to detect changes in its position.
- 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
- orchesography — a written study of dancing
- orchestra pit — musicians' seating in front of stage
- orchestra-pit — a group of performers on various musical instruments, including especially stringed instruments of the viol class, clarinets and flutes, cornets and trombones, drums, and cymbals, for playing music, as symphonies, operas, popular music, or other compositions.
- organotropism — Physiology. the attraction of microorganisms or chemical substances to particular organs or tissues of the body.
- orthographies — Plural form of orthography.
- oscillographs — Plural form of oscillograph.
- oscillography — a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
- oscilloscopes — Plural form of oscilloscope.
- oscilloscopic — Relating to, or carried out by using an oscilloscope.
- osteopetrosis — any of several hereditary diseases characterized by increased bone density.
- osteophytosis — Lb medicine The presence of osteophytes.
- osteoplasties — Plural form of osteoplasty.
- ostreophagous — oyster-eating
- outperformers — Plural form of outperformer.
- outprocessing — to end a military tour of duty, accompanied by necessary paperwork: All enlisted soldiers out-process as a class.
- outspokenness — The quality of being outspoken; bluntness; frankness; candour.
- outwash plain — Geology. a broad, sloping landform built of coalesced deposits of outwash.
- over-promised — a declaration that something will or will not be done, given, etc., by one: unkept political promises.
- over-shipment — an act or instance of shipping freight or cargo.
- overappraisal — An appraisal that overvalues something.
- overemphasise — (British) alternative spelling of overemphasize.
- overemphasize — to emphasize excessively.
- overexpansion — the act or process of expanding.
- overimpressed — very impressed
- overprescribe — to lay down, in writing or otherwise, as a rule or a course of action to be followed; appoint, ordain, or enjoin.
- overprocessed — a systematic series of actions directed to some end: to devise a process for homogenizing milk.
- overprovision — a clause in a legal instrument, a law, etc., providing for a particular matter; stipulation; proviso.
- overrepresent — to give too much representation to; represent in numbers that are disproportionately high.
- overspeculate — to engage in thought or reflection; meditate (often followed by on, upon, or a clause).
- ovipositional — pertaining to the laying of eggs through an ovipositor
- ovoviviparous — producing eggs that are hatched within the body, so that the young are born alive but without placental attachment, as certain reptiles or fishes.
- pablo picasso — Pablo [pah-bloh;; Spanish pah-vlaw] /ˈpɑ bloʊ;; Spanish ˈpɑ vlɔ/ (Show IPA), 1881–1973, Spanish painter and sculptor in France.
- package store — a store selling sealed bottles or other containers of alcoholic beverages that may only be consumed off the premises.
- packing house — A packing house is a company that processes and packs food, especially meat, to be sold.