18-letter words containing i, n, s, p, d, l
- physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
- plate-glass window — a window that has glass which has been formed by rolling
- play second fiddle — be considered less important
- population density — ratio: inhabitants to area
- postviral syndrome — debilitating condition occurring as a sequel to viral illness
- pre-filled syringe — A pre-filled syringe is a disposable syringe that is supplied already loaded with the substance to be injected.
- presenile dementia — a form of dementia, of unknown cause, starting before a person is old
- presidential suite — a suite of rooms, as in a hotel, suitable for a president or other head of state.
- prisoner's dilemma — (in game theory) a scenario in which the outcome of one person's decision is determined by the simultaneous decisions of the other participants, resulting in a bad outcome for all of them if all act in their own self-interest.
- process scheduling — multitasking
- pseudointellectual — a person exhibiting intellectual pretensions that have no basis in sound scholarship.
- pull one's head in — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- radical expression — an expression in which radical signs appear.
- rail rapid transit — a system of rail transit within an urban area that has exclusive right of way either below, above, or on the ground and so is capable of relatively high operating speed. Abbreviation: RRT.
- reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
- resistance plasmid — any of a group of bacterial plasmids carrying genetic information that provide resistance to antibiotic drugs: some resistance plasmids are able to transfer themselves, and hence resistance, during conjugation
- seafloor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- secondary syphilis — the second stage of syphilis, characterized by eruptions of the skin and mucous membrane.
- self-comprehending — to understand the nature or meaning of; grasp with the mind; perceive: He did not comprehend the significance of the ambassador's remark.
- self-deprecatingly — in a self-deprecating manner
- self-disparagement — the act of disparaging.
- solitary sandpiper — a North American sandpiper, Tringa solitaria, of inland wetlands, having a brownish-gray, white-spotted back and whitish underparts.
- southampton island — an island in N Canada, in the Northwest Territories at the entrance to Hudson Bay. 19,100 sq. mi. (49,470 sq. km).
- spackling compound — spackle
- the encyclopedists — the writers of the French Encyclopedia (1751-72) edited by Diderot and d'Alembert, which contained the advanced ideas of the period
- thrills and spills — If you refer to thrills and spills, you are referring to an experience which is exciting and full of surprises.
- welland ship canal — a ship canal in S Canada, in Ontario, connecting Lakes Erie and Ontario: 8 locks. 25 miles (40 km) long.
- wild passionflower — the maypop, Passiflora incarnata.
- world championship — an international competition in a particular sport or activity for people all around the world