19-letter words containing i, r, s, a
- theoretical physics — abstract use of physics
- theory of equations — the branch of mathematics dealing with methods of finding the solutions to algebraic equations.
- thiophosphoric acid — an acid derived from phosphoric acid by substituting one or more sulfur atoms for oxygen atoms.
- thread-line fishing — spinning (def 3).
- throw in one's hand — (in cards) to concede defeat by putting one's cards down
- thrust augmentation — an increase in the thrust of a jet or rocket engine, as by afterburning or reheating.
- tidal power station — a power station where the energy of flowing water is converted into electricity
- tiglath-pileser iii — died 727 b.c, king of Assyria 745–727.
- time sharing option — (operating system) (TSO) System software from IBM that provides time-sharing on an IBM mainframe running in an MVS environment.
- to be in the charts — (of a record or pop group) to be popular
- to rack your brains — If you rack your brains, you try very hard to think of something.
- to ring the changes — If you say that someone rings the changes, you mean that they make changes or improvements to the way something is organized or done.
- to tear a strip off — If you tear a strip off someone or if you tear them off a strip, you speak to them angrily and criticize them severely.
- toshiba corporation — (company) A Japanese technology manufacturer with 364 subsidiaries worldwide. Toshiba makes and sells electronics for home, office, industry and health care including information and communication systems, electronic components, heavy electrical apparatus, consumer products and medical diagnostic imaging equipment. In FY 2003-4, Toshiba employed 161,286 people.
- traffic regulations — rules designed to expedite the flow of traffic and prevent collisions
- trahison des clercs — a compromising of intellectual integrity, esp. for political reasons
- training instructor — a person who teaches people the skills they need for a particular field or profession
- transdenominational — of or relating to a denomination or denominations.
- transesterification — a reaction between an ester of one alcohol and a second alcohol to form an ester of the second alcohol and an alcohol from the original ester, as that of methyl acetate and ethyl alcohol to form ethyl acetate and methyl alcohol; interesterification.
- transformationalism — a person who follows or promotes the theories of transformational grammar.
- transformationalist — a person who follows or promotes the theories of transformational grammar.
- transformer station — a station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers
- transitional relief — a form of tax relief, designed to smooth large changes in liability, which operates by restricting the proportion by which liability may change per year, both upwards and downwards
- translation of axes — the process of replacing the axes in a Cartesian coordinate system with a new set of axes, parallel to the first, used to write equations of curves not centered about the origin.
- transuranic element — any element having an atomic number greater than 92, the atomic number of uranium. All such elements are radioactive and can be synthesized by bombarding a heavy element with a light particle or element. See also transactinide element.
- travelers' diarrhea — persistent and often severe diarrhea experienced by a traveler whose digestive system is unaccustomed to the bacteria in local food and water.
- travelling expenses — expenses that are paid to someone, for example, by their employer, for the costs they need to travel
- travelling salesman — A travelling salesman is a salesman who travels to different places and meets people in order to sell goods or take orders.
- triangulum australe — a small bright triangular constellation in the S hemisphere, lying between Ara and the Southern Cross, that contains an open star cluster
- tricalcium silicate — a component of cement, Ca 3 SiO 5 , also used in food to prevent caking.
- tricks of the trade — expert techniques
- trisodium phosphate — sodium phosphate (def 3).
- tropical depression — an atmospheric low-pressure system originating in the tropics, specifically, a tropical cyclone in which the maximum sustained wind speed is 38 miles per hour (62 kilometers per hour) or less.
- tubular steel chair — a chair with a frame made of tubular steel
- tussock caterpillar — the larva of a tussock moth.
- twist someone's arm — the upper limb of the human body, especially the part extending from the shoulder to the wrist.
- ultracrepidarianism — noting or pertaining to a person who criticizes, judges, or gives advice outside the area of his or her expertise: The play provides a classic, simplistic portrayal of an ultracrepidarian mother-in-law.
- ultramicrochemistry — the branch of microchemistry dealing with minute quantities of material weighing one microgram or less.
- ultrasonic cleaning — the use of ultrasound to vibrate a piece to be cleaned while the piece is immersed in a cleaning fluid. The process produces a very high degree of cleanliness, and is used for jewellery and ornately shaped items
- unclassified degree — a degree that has not been given a grade because it is of a low standard
- under consideration — being deliberated
- underrepresentation — the act of representing.
- unit of measurement — physical quantity
- united presbyterian — a member of the United Presbyterian Church of North America, founded in Pittsburgh in 1858 by a union of two Presbyterian groups.
- universal recipient — a person with blood type AB, able to receive blood from a person of any blood type but able to donate blood only to a person with the same blood type
- university entrance — an examination taken by pupils of postprimary schools
- university hospital — a hospital that is affiliated with a university. University hospitals provide clinical education and training to future and current doctors, nurses, and other health professionals, in addition to delivering medical care to patients
- unnatural practices — acts which are deemed to be contrary to expected standards of human behaviour
- upper carboniferous — Pennsylvanian (defs 2, 4).
- vaginal intercourse — intercourse involving insertion of the penis into the vagina