17-letter words containing a, c, i, u
- south west africa — a former name of Namibia.
- south-west africa — a former name of Namibia.
- spatial frequency — the measure of fine detail in an optical image in terms of cycles per millimetre
- special education — education that is modified or particularized for those with singular needs, as disabled or maladjusted people, slow learners, or gifted children.
- spectrum analysis — the determination of the constitution or condition of bodies and substances by means of the spectra they produce.
- spruce gall aphid — any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid) that feed and form galls on conifers.
- square centimeter — a unit of area measurement equal to a square measuring one centimeter on each side. 2 , sq. cm. Abbreviation: cm.
- square the circle — a rectangle having all four sides of equal length.
- st. vitus's dance — St. Vitus's dance.
- stand-up comedian — performer: tells jokes
- standard function — a subprogram provided by a translator that carries out a task, for example the computation of a mathematical function, such as sine, square root, etc
- stannous chloride — a white, crystalline, water-soluble solid, SnCl 2 ⋅2H 2 O, used chiefly as a reducing and tinning agent, and as a mordant in dyeing with cochineal.
- stay of execution — If you are given a stay of execution, you are legally allowed to delay obeying an order of a court of law.
- storm in a teacup — a violent fuss or disturbance over a trivial matter
- subclavian artery — either of a pair of arteries, one on each side of the body, that carry the main supply of blood to the arms.
- subclavian groove — either of two grooves in the first rib, one for the main artery (subclavian artery) and the other for the main vein (subclavian vein) of the arm
- subscription rate — the price charged for a subscription
- subtractive color — cyan, yellow, or magenta, as used in the subtractive process of color photography.
- suffice it to say — Suffice it to say or suffice to say is used at the beginning of a statement to indicate that what you are saying is obvious, or that you will only give a short explanation.
- sufficient reason — the principle that nothing happens by pure chance, but that an explanation must always be available
- superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
- supercolumniation — the placing of one order of columns above another.
- support mechanism — any formal system or method of providing support or assistance
- supreme sacrifice — the sacrifice of one's own life: Many made the supreme sacrifice during the war.
- surgical dressing — a dressing made of cotton, used for incisions made during surgery
- survival instinct — the instinct in humans and animals to do things in a dangerous situation that will prevent them from dying
- symbolic language — a specialized language dependent upon the use of symbols for communication and created for the purpose of achieving greater exactitude, as in symbolic logic or mathematics.
- taconic mountains — a mountain range in SE New York, W Massachusetts, and SW Vermont, a highly eroded part of the Appalachian system. Highest peak, Mount Equinox, in Vermont 3816 feet (1163 meters).
- tactile corpuscle — an oval sense organ made of flattened cells and encapsulated nerve endings, occurring in hairless skin, as the tips of the fingers and toes, and functioning as a touch receptor.
- take into account — an oral or written description of particular events or situations; narrative: an account of the meetings; an account of the trip.
- take into custody — to arrest
- teacher education — training to become a teacher, usually at an institution of higher education
- technical support — an advising and troubleshooting service provided by a manufacturer, typically a software or hardware developer, to its customers, often online or on the telephone.
- telecommunicating — to transmit (data, sound, images, etc.) by telecommunications.
- telecommunication — Sometimes, telecommunication. (used with a singular verb) the transmission of information, as words, sounds, or images, usually over great distances, in the form of electromagnetic signals, as by telegraph, telephone, radio, or television.
- terminal juncture — a form of juncture consisting of a change in pitch before a pause, marking the end of an utterance or a break between utterances, as between clauses. Compare close juncture, juncture (def 7), open juncture.
- territorial court — a court established in U.S. territories that is empowered to hear local and federal cases.
- tertiary consumer — a carnivore at the topmost level in a food chain that feeds on other carnivores; an animal that feeds only on secondary consumers.
- textual criticism — lower criticism.
- the carboniferous — the Carboniferous period or rock system
- the final curtain — the closing of the curtain at the end of the action of a play
- the south pacific — the part of the Pacific Ocean to the south of the equator
- therapeutic index — the ratio between the dosage of a drug that causes a lethal effect and the dosage that causes a therapeutic effect.
- therapeutic touch — the laying on of hands by a healer
- thermocoagulation — the coagulation of tissue by heat-producing high-frequency electric currents, used therapeutically to remove small growths or to create specific lesions in the brain.
- thiosulfuric acid — an acid, H 2 S 2 O 3 , that may be regarded as sulfuric acid with one oxygen atom replaced by sulfur.
- topological group — a set that is a group and a topological space and for which the group operation and the map of an element to its inverse are continuous functions.
- torricellian tube — a vertical glass tube partly evacuated and partly filled with mercury, the height of which is used as a measure of atmospheric pressure
- transfer function — The transfer function of a circuit is the ratio of the response to the input.
- trapdoor function — a function defined from data by means of a mathematical procedure in such a way that it is easy to obtain the function when the data are known, but when the procedure and data are not known it becomes very difficult to determine the original data: used in cryptography, where the data are the characters of the plain text, or message, and the trapdoor function is the cryptogram.