13-letter words containing s, p, t
- 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.
- opisthography — the practice of writing on the front and back of a parchment or papyrus
- 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.
- 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.
- 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.
- 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-shipment — an act or instance of shipping freight or cargo.
- 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
- package store — a store selling sealed bottles or other containers of alcoholic beverages that may only be consumed off the premises.
- packet switch — packet switching
- pact of steel — a military alliance concluded between Nazi Germany and Fascist Italy on May 22, 1939, committing each to assist the other in the event of war with another power and pledging that neither would seek a separate peace or armistice.
- paddle tennis — a game combining elements of tennis and handball, played with paddles and a rubber ball on a screened court about half the size of and having a lower net than a tennis court.
- painstakingly — taking or characterized by taking pains or trouble; expending or showing diligent care and effort; careful: a painstaking craftsman; painstaking research.
- painted horse — paint (def 6).
- painted snipe — either of two snipelike birds of the family Rostratulidae, of South America and the Old World tropics, the female of which is larger and more brightly colored than the male.
- painterliness — the quality of being painterly
- pairs skaters — two skaters, a man and a woman, or a boy and a girl, who skate together, esp in competitions
- palaeocrystic — consisting of former glacial formation
- palazzo pants — women's trousers with very wide legs
- paleo-asiatic — a member of any of various Mongoloid peoples of northeastern Asia.
- palingenesist — a person who believes in a doctrine of rebirth or transmigration of souls.
- pallas athena — Also, Athene [uh-thee-nee] /əˈθi ni/ (Show IPA). Also called Pallas, Pallas Athena. the virgin deity of the ancient Greeks worshiped as the goddess of wisdom, fertility, the useful arts, and prudent warfare. At her birth she sprang forth fully armed from the head of her father, Zeus. Compare Minerva.
- palos heights — a city in NE Illinois, near Chicago.
- pan-teutonism — Pan-Germanism.
- panaesthetism — the belief that consciousness may be present in all matter
- pangrammatist — a writer of pangrams
- pantagruelism — (in Rabelais' Pantagruel) the huge son of Gargantua, represented as dealing with serious matters in a spirit of broad and somewhat cynical good humor.
- pantheologist — a student of, or expert in, pantheology
- pantisocratic — relating to pantisocracy