15-letter words containing d, s, u
- summa cum laude — with highest praise: used in diplomas to grant the highest of three special honors for grades above the average.
- summer diarrhea — an acute condition of diarrhea, occurring during the hot summer months chiefly in infants and children, caused by bacterial contamination of food and associated with poor hygiene.
- summer flounder — a flounder, Paralichthys dentatus, inhabiting shallow waters from Cape Cod to South Carolina, valued as food.
- summer holidays — the time when children do not go to school in the summer
- sunflower seeds — the seeds of a sunflower, which can be eaten
- sunset industry — any industry that holds little promise of future development
- superabundantly — very or too abundantly
- superconfidence — great or extreme confidence, overconfidence
- superheterodyne — denoting, pertaining to, or using a method of processing received radio or video signals in which an incoming modulated wave is changed by the heterodyne process into a lower-frequency wave and then subjected to amplification and subsequent detection.
- superindividual — greater than the individual
- superintendence — a district or place under a superintendent.
- superintendency — a district or place under a superintendent.
- superordination — Logic. the relation between a universal proposition and a particular proposition of the same quality containing the same terms in the same order.
- suppressor grid — an electrode placed between the screen grid and anode of a valve. Its negative potential, relative to both screen and anode, prevents secondary electrons from the anode reaching the screen
- surface density — quantity, as of electric charge, per unit surface area.
- surface-ripened — (of cheese) ripened on the surface by molds or other microorganisms.
- surgical needle — a needle for suturing.
- surrender value — cash value.
- sustained yield — the continuing supply of a natural resource, as timber, through scheduled harvests to insure replacement by regrowth or reproduction.
- svedberg (unit) — a unit of time, equal to 10-13 second, used in determining the rate of sedimentation of a macromolecule in an ultracentrifuge
- system building — a method of building in which prefabricated components are used to speed the construction of buildings
- tendentiousness — having or showing a definite tendency, bias, or purpose: a tendentious novel.
- the midas touch — ability to make money
- the undersigned — the person or persons who have signed at the foot of a document, statement, etc
- thermodiffusion — thermal diffusion.
- thousand island — of or relating to the Thousand Islands or their inhabitants
- thunderstricken — Archaic. to strike with a thunderbolt.
- thursday island — an island in Torres Strait between NE Australia and New Guinea; part of Queensland: pearl fishing. 1½ sq. mi. (4 sq. km).
- titius-bode law — Bode's law.
- to do your best — If you do your best or try your best to do something, you try as hard as you can to do it, or do it as well as you can.
- to good purpose — with a good result or effect; advantageously
- tokelau islands — a group of islands in the S Pacific Ocean belonging to New Zealand. 4 sq. mi. (10 sq. km).
- torsion modulus — a coefficient of elasticity of a substance, expressing the ratio between the force per unit area (shearing stress) that laterally deforms the substance and the shear (shearing strain) that is produced by this force.
- toughened glass — glass that has been made stronger using chemical or thermal treatments so that it will not break easily
- transindividual — a single human being, as distinguished from a group.
- treacle mustard — a N temperate cruciferous annual plant, Erysimum cheiranthoides, having small yellow flowers. It is a common weed in cultivated ground
- tread a measure — to dance
- treasure island — (italics) a novel (1883) by R. L. Stevenson.
- tricotyledonous — having three cotyledons.
- tricuspid valve — the valve, consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart, that keeps blood from flowing back into the auricle.
- troubled waters — a confused or chaotic state of affairs: The situation was terrible, but like many politicians he was attracted by troubled waters.
- tufted titmouse — a gray titmouse, Parus bicolor, of the eastern and midwestern U.S., having a crested head.
- tunbridge wells — a city in SW Kent, in SE England: mineral springs; resort.
- turkish delight — a candy made of fruit juice and gelatin, cubed and dusted with sugar.
- turn inside out — If you say that something has been turned inside out, you mean that it is the opposite of what you expect or think it should be.
- two-thirds rule — a former rule in the Democratic Party, effective 1832–1936, requiring a vote of at least two thirds of its national convention delegates to nominate a presidential and vice-presidential candidate.
- u-shaped valley — a steep-sided valley caused by glacial erosion
- ultra-modernist — very advanced in ideas, design, or techniques.
- ultrafastidious — extremely fastidious
- ultrasound scan — sonograph examination