20-letter words containing a, s, d, i
- specific-conductance — conductivity (def 2).
- spherical coordinate — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
- spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
- spotted crane's-bill — the American wild geranium, Geranium maculatum.
- spread like wildfire — If something, especially news or a rumour, spreads like wildfire, it spreads extremely quickly.
- st.-germain-des-pres — an area in Paris, on the Left Bank.
- stained glass window — a window made of coloured glass, often showing religious pictures and usually seen in churches
- stallman, richard m. — Richard Stallman
- standstill agreement — law: between company and bidder
- steak and kidney pie — meat pastry
- stokes-adams disease — unconsciousness accompanying atrioventricular heart block, sometimes characterized by weakness, irregular pulse, and intermittent convulsive or nonconvulsive seizures.
- subjective idea-list — a doctrine that the world has no existence independent of sensations or ideas.
- suitland-silver hill — a city in central Maryland, near Washington, D.C.
- summary jurisdiction — the right a court has to adjudicate immediately upon some matter arising during its proceedings
- sunday-go-to-meeting — most presentable; best: Sunday-go-to-meeting clothes.
- swan's neck pediment — a broken pediment, the outline of which consists of a pair of S -curves tangent to the cornice level at the ends of the pediment, rising to a pair of scrolls on either side of the center, where a finial often rises between the scrolls.
- switchboard operator — a person who operates an installation in a telephone exchange, office, hotel, etc, at which the interconnection of telephone lines is manually controlled
- synchronized skating — the art or sport of teams of up to twenty skaters holding onto each other and moving in patterns in time to music
- take into one's head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- take sides/sb's side — If you take sides or take someone's side in an argument or war, you support one of the sides against the other.
- television broadcast — sth shown on tv
- terms and conditions — commerce: rules, restrictions
- terrestrial guidance — a method of missile or rocket guidance in which the flight path is controlled by reference to the strength and direction of the earth's gravitational or magnetic field
- tetrahydrogestrinone — a synthetic anabolic steroid. Formula: C21H28O2
- the (great) pyramids — the three large pyramids at Gîza, Egypt: the largest is the Pyramid of Khufu
- the founding fathers — any of the men who were members of the U.S. Constituional Convention of 1787
- the garment industry — the manufacturing of items of clothing
- the last word in sth — If you say that something is the last word in luxury, comfort, or some other quality, you are emphasizing that it has a great deal of this quality.
- the thousand guineas — an annual horse race, restricted to fillies, run at Newmarket since 1814
- the whole nine yards — everything that is required; the whole thing
- thermodynamic system — a system whose states of equilibrium can be specified by a few macroscopic properties.
- thioantimonious acid — any of a group of hypothetical acids, H3SbS3, HSbS2, and H4Sb2S5, known only in the forms of their salts in solution
- third-party software — software created by programmers or publishers independent of the manufacturer of the hardware for which it is intended.
- three-dimensionality — having, or seeming to have, the dimension of depth as well as width and height.
- to disturb the peace — If someone is accused of disturbing the peace, they are accused of behaving in a noisy and offensive way in public.
- to hit the headlines — Someone or something that hits the headlines or grabs the headlines gets a lot of publicity from the media.
- to sb's disadvantage — If something is to your disadvantage or works to your disadvantage, it creates difficulties for you.
- to spread your wings — If you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience.
- townsend's solitaire — a brownish, slender-billed songbird, Myadestes townsendi, of western North America.
- track-train dynamics — the interaction between the track and a moving train.
- transcendental logic — (in Kantian epistemology) the study of the mind with reference to its perceptions of external objects and to the objective truth of such perceptions.
- transmission density — a measure of the extent to which a substance transmits light or other electromagnetic radiation, equal to the logarithm to base ten of the reciprocal of the transmittance
- troilus and cressida — a satiric comedy (1598–1602?) by Shakespeare.
- tropical disturbance — a very weak, or incipient, tropical cyclone.
- tubing head pressure — The tubing head pressure is the pressure on the tubing, which is measured at the wellhead.
- twisted stomach worm — stomach worm.
- uncertificated share — a share of a mutual fund credited to the account of a shareholder without the physical issuance of a certificate evidencing ownership.
- unified screw thread — a screw thread system introduced for defence equipment (1939–44), in which the thread form and pitch were a compromise between British Standard Whitworth and American Standard Sellers: adopted by the International Standards Organization
- united arab emirates — group of Arabian states
- university education — a course of study undertaken and completed at a university