17-letter words containing y, t, r, i

stray capacitance — undesired capacitance in equipment, occurring between the wiring, between the wiring and the chassis, or between components and the chassis
stymphalian birds — a flock of predacious birds of Arcadia that were driven away and killed by Hercules as one of his labors.
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.
superconductivity — the phenomenon of almost perfect conductivity shown by certain substances at temperatures approaching absolute zero. The recent discovery of materials that are superconductive at temperatures hundreds of degrees above absolute zero raises the possibility of revolutionary developments in the production and transmission of electrical energy.
synchronistically — coincidence in time; contemporaneousness; simultaneousness.
synchronous orbit — an orbit in which the orbital period of a satellite is identical to the spin period of the central body
terminal capacity — The terminal capacity is the volume which can be stored in a terminal (= building or area with tanks).
terminal velocity — Physics. the velocity at which a falling body moves through a medium, as air, when the force of resistance of the medium is equal in magnitude and opposite in direction to the force of gravity. the maximum velocity of a body falling through a viscous fluid.
ternary operation — an operation in a mathematical system by which three elements are combined to yield a single result.
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.
tertiary syphilis — the third stage of syphilis, characterized by involvement of the internal organs, especially the brain, spinal cord, heart, and liver.
the evil day/hour — If someone is putting off the evil day or the evil hour, they have to do something unpleasant and are trying to avoid doing it for as long as possible.
the life of riley — If you say that someone is living the life of Riley, you mean that they have a very easy and comfortable life with few worries.
the olympic torch — a torch that is symbolically lit at the site of the ancient Olympics in Olympia and transported by relay to the place where the Olympic Games are to be held. It is used to ignite a fire in a cauldron that will burn throughout the Games
the varsity match — a sporting fixture between Oxford and Cambridge university rugby teams
thermoelectricity — electricity generated by heat or temperature difference, as in a thermocouple.
thermoperiodicity — the effect on an organism of rhythmic fluctuations in temperature.
thirty years' war — the war, often regarded as a series of wars (1618–48), in central Europe, initially involving a conflict between German Protestants and Catholics and later including political rivalries with France, Sweden, and Denmark opposing the Holy Roman Empire and Spain.
thistle butterfly — any nymphalid butterfly of the genus Vanessa, as the red admiral or painted lady.
to knit your brow — If you knit your brows or knit your eyebrows, you frown because you are angry or worried.
to lick your lips — If you lick your lips, you move your tongue across your lips as you think about or taste something pleasant.
to lose your grip — If you lose your grip, you become less efficient and less confident, and less able to deal with things.
to lose your mind — If you say that someone is losing their mind, you mean that they are becoming mad.
to open your mind — If something opens your mind to new ideas or experiences, it makes you more willing to accept them or try them.
to play it by ear — If you play it by ear, you decide what to say or do in a situation by responding to events rather than by following a plan which you have decided on in advance.
to play with fire — If you say that someone is playing with fire, you mean that they are doing something dangerous that may result in great harm for them and cause many problems.
to risk your neck — If you say that someone is risking their neck, you mean they are doing something very dangerous, often in order to achieve something.
to slip your mind — If something slips your mind, you forget it.
to take your time — If you take your time doing something, you do it quite slowly and do not hurry.
top-security wing — a wing of a prison, mental hospital, etc that has a very high level of precautions against escape
transatlantically — crossing or reaching across the Atlantic: a transatlantic liner.
transitory action — an action that can be brought in any country regardless of where it originated
trichloroethylene — a colorless, poisonous liquid, C 2 HCl 3 , used chiefly as a degreasing agent for metals and as a solvent, especially in dry cleaning, for fats, oils, and waxes. Abbreviation: TCE.
trick photography — photography that creates an illusion
tridimensionality — having three dimensions.
troilus butterfly — spicebush swallowtail.
turbidity current — a turbid, dense current of sediments in suspension moving along the slope and bottom of a lake or ocean.
tympanic membrane — eardrum.
unconformity trap — An unconformity trap is a hydrocarbon trap where the closure is made by an unconformity (= a formation of rock layers which represents a gap in the geological record).
understandability — capable of being understood; comprehensible.
unify corporation — (company) Developers of the Unify relational database. At one time, before Sybase, they were a competitor of Oracle, et al.
unitary authority — (in the United Kingdom) a district administered by a single tier of local government, esp those districts of England that became administratively independent of the county councils in 1996–98
unity of interest — the equal interest in property held by joint tenants
university degree — an award conferred by a college or university signifying that the recipient has satisfactorily completed a course of study
unproportionately — proportioned; being in due proportion; proportional.
urogenital system — the urinary tract and reproductive organs
variable-geometry — denoting an aircraft in which the wings are hinged to give the variable aspect ratio colloquially known as a swing-wing
varix lymphaticus — a similar condition affecting an artery or lymphatic vessel
vertical analysis — the conversion of an organization's profits and losses into overall percentages
vertical mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.

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