19-letter words containing a, c, s, e, i, n
- segmentation cavity — blastocoel.
- selective attention — mental focus on sth in particular
- self identification — identification of oneself with some other person or thing.
- self-congratulating — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-congratulation — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-discrimination — an act or instance of discriminating, or of making a distinction.
- self-identification — identification of oneself with some other person or thing.
- semibituminous coal — a coal intermediate between bituminous and anthracite coal in hardness, yielding the maximum heat of any ordinary steam coal.
- semiconductor laser — a laser in which a semiconductor is the light-emitting source, used in many medical procedures.
- semidetached binary — a pair of stars that are so close together that mass transfer occurs from one to the other
- senatorial courtesy — the practice in the U.S. Senate of confirming only those presidential appointees approved by both senators from the state of the appointee, or by the senior senator of the president's party.
- 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.
- sentential calculus — the branch of symbolic logic dealing with the logical relationships between statements insofar as they can be analyzed into conjunctions, disjunctions, and negations of more elementary statements.
- sentential function — an expression that contains one or more variables and becomes meaningful when suitable constant terms are substituted for them.
- sequential scanning — a system of scanning a television picture along the lines in numerical sequence
- sexual inter-course — genital contact, especially the insertion of the penis into the vagina followed by orgasm; coitus; copulation.
- sexual reproduction — reproduction involving the union of gametes.
- shopping facilities — shops or other retail services
- siberian crab apple — a hardy, round-headed tree, Malus baccata, of northern Asia, having white flowers and yellow or red fruit.
- siberian forest cat — a breed of powerfully-built long-haired cat, typically tabby with a white ruff and white paws
- sickle-cell anaemia — Sickle-cell anaemia is an inherited illness in which the red blood cells become curved, causing a number of health problems.
- significant figures — the figures of a number that express a magnitude to a specified degree of accuracy, rounding up or down the final figure
- single edge contact — (hardware) (SEC) The type of cartridge in which a Pentium II is packaged.
- sissinghurst castle — a restored Elizabethan mansion near Cranbrook in Kent: noted for the gardens laid out in the 1930s by Victoria Sackville-West and Harold Nicolson
- slugging percentage — a number expressing a player's average effectiveness in making extra-base hits, calculated by dividing the total number of bases (from all singles, doubles, triples, and home runs) by the number of official at bats
- smokestack industry — A smokestack industry is a traditional industry such as heavy engineering or manufacturing, rather than a modern industry such as electronics.
- smoking compartment — a compartment of a train where smoking is permitted
- social intelligence — the ability to form rewarding relationships with other people
- 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.
- son-of-a-bitch stew — (in the Old West) a stew often prepared by chuck-wagon cooks for working cowboys, containing tripe and often also the heart, liver, brains, kidney, etc., of a slaughtered steer.
- south pacific ocean — the part of the Pacific Ocean extending S from the Equator to the Antarctic continent.
- soviet central asia — the region of the former Soviet Union now occupied by Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan
- spanish west africa — a former overseas territory of Spain in NW Africa: divided in 1958 into the overseas provinces of Ifni and Spanish Sahara
- special partnership — limited partnership.
- specific resistance — resistivity (def 2).
- specific-resistance — the power or property of resistance.
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- speculative fiction — a broad literary genre encompassing any fiction with supernatural, fantastical, or futuristic elements
- spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
- stationers' company — a company or guild of the city of London composed of booksellers, printers, dealers in writing materials, etc., incorporated in 1557.
- stationery cupboard — a cupboard where things like paper, pens and paper clips are kept
- sternocleidomastoid — of, relating to, or involving the sternum, the clavicle, and the mastoid process.
- stick in one's craw — the crop of a bird or insect.
- stick to one's last — a wooden or metal form in the shape of the human foot on which boots or shoes are shaped or repaired.
- structural engineer — A structural engineer is an engineer who works on large structures such as roads, bridges, and large buildings.
- subminiature camera — a very small, palm-sized still camera for taking photographs on 16-millimeter or similar film.
- subnuclear particle — any of the elementary particles, including those that do not exist in stable matter but appear as a result of high-energy collisions of other particles or nuclei.
- subsistence farming — farming whose products are intended to provide for the basic needs of the farmer, with little surplus for marketing.
- surplus reinsurance — Surplus reinsurance is reinsurance of amounts over a specified amount of insurance.
- sweetheart neckline — a neckline on a woman's garment, as a dress, with a high back and a low-cut front with two curved edges resembling the conventionalized shape of a heart.