19-letter words containing a, l, c, i, d, s
- malicious falsehood — a lie told by someone who knows the lie is false or knows it will do harm to the person it is concerning
- manned space flight — space travel in vehicles with a human crew
- melodic minor scale — minor scale (def 2).
- moses-in-the-cradle — a plant, Rhoeo spathacea, native to the West Indies and Central America, having leaves with purple undersides and white flowers enclosed in a boat-shaped envelope formed by two bracts.
- mucopolysaccharides — Plural form of mucopolysaccharide.
- new zealand spinach — a plant, Tetragonia tetragonioides, of warm regions, cultivated for its edible leaves, eaten as a vegetable.
- nuclear disarmament — the gradual reduction and eventual elimination of all nuclear weapons in the world
- old church slavonic — the oldest attested Slavic language, an ecclesiastical language written first by Cyril and Methodius in a Bible translation of the 9th century and continued in use for about two centuries. It represents the South Slavic, Bulgarian dialect of 9th-century Salonika with considerable addition of other South and West Slavic elements. Abbreviation: OCS.
- old spanish customs — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
- olive-backed thrush — Swainson's thrush.
- optical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
- palisade parenchyma — the upper layer of ground tissue in a leaf, consisting of elongated cells beneath and perpendicular to the upper epidermis and constituting the primary area of photosynthesis.
- particle dispersoid — A particle dispersoid is a suspension of solid particles in a gas.
- peroxysulfuric acid — persulfuric acid (def 1).
- physical addressing — (networking) The low level addressing scheme used on Ethernet. The 48-bit destination Ethernet address in a packet is compared with the receiving node's Ethernet address. Compare IP address.
- physically impaired — with reduced or weakened physical capacity
- plastic deformation — In plastic deformation a material changes shape when a stress is applied to it and does not go back to its original state when the stress is removed.
- police headquarters — building where police are stationed
- polyphosphoric acid — any one of a series of oxyacids of phosphorus with the general formula Hn+2PnO3n+1. The first member is pyrophosphoric acid (n = 2) and the series includes the highly polymeric metaphosphoric acid. The higher acids exist in an equilibrium mixture
- post-and-rail fence — a fence constructed of upright wooden posts with horizontal timber slotted through it
- professional advice — advice given by someone trained in a particular and relevant profession or job
- pseudo-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- pseudo-intellectual — a person exhibiting intellectual pretensions that have no basis in sound scholarship.
- pseudopsychological — of or relating to psychology.
- regular icosahedron — an icosahedron in which each of the faces is an equilateral triangle
- religious education — religion as school subject
- rickettsial disease — any of several acute infectious diseases caused by ticks, mites, or body lice infected with rickettsiae. The main types include typhus, spotted fever, Q fever, trench fever, and tsutsugamushi disease
- saccharolactic acid — mucic acid.
- samuel de champlain — Samuel de [sam-yoo-uh l duh;; French sa-my-el duh] /ˈsæm yu əl də;; French sa müˈɛl də/ (Show IPA), 1567–1635, French explorer in the Americas: founder of Quebec; first colonial governor 1633–35.
- san clemente island — an island off the coast of S California, in the Santa Barbara (Channel) Islands. 24 miles (38 km) long.
- screen actors guild — a labor union for motion-picture performers, founded in 1933. Abbreviation: SAG.
- secondary qualities — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
- self identification — identification of oneself with some other person or thing.
- self-discrimination — an act or instance of discriminating, or of making a distinction.
- self-identification — identification of oneself with some other person or thing.
- semiconductor laser — a laser in which a semiconductor is the light-emitting source, used in many medical procedures.
- senatorial district — one of a fixed number of districts into which a state of the U.S. is divided, each electing one member to the state senate.
- sexual reproduction — reproduction involving the union of gametes.
- simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
- single edge contact — (hardware) (SEC) The type of cartridge in which a Pentium II is packaged.
- socialized medicine — any of various systems to provide the entire population with complete medical care through government subsidization and regularization of medical and health services.
- sodium metasilicate — a white, granular sodium silicate, Na 2 SiO 3 , soluble in water: used in detergents and in bleaching and cleaning products.
- solid-state physics — the branch of physics that deals with the macroscopic physical properties of matter, especially solids; the study of the electromagnetic, structural, and thermodynamic properties of solids.
- specialized subject — a school or university subject that concentrates on a particular field of knowledge
- sternocleidomastoid — of, relating to, or involving the sternum, the clavicle, and the mastoid process.
- subjective idealism — a doctrine that the world has no existence independent of sensations or ideas.
- supercritical fluid — A supercritical fluid is a fluid at a temperature and pressure at which there is no difference between liquid and gas.
- swallow-tailed coat — tail coat.
- switchblade (knife) — a large jackknife that snaps open when a release button on the handle is pressed
- the middle distance — an unspecified point in the distance