21-letter words containing s, n, i

the student community — the body of students in further and higher education, considered as a whole
theater of operations — the part of the theater of war, including a combat zone and a communications zone, that is engaged in military operations and their support.
there's nothing to it — If you say 'There's nothing to it', 'There's not much to it', or 'That's all there is to it', you are emphasizing how simple you think something is.
thermal decomposition — Thermal decomposition is the process in which a chemical species breaks down when its temperature is increased.
thermal power station — a power station in which heat is converted into electricity
think outside the box — to think in a different, innovative, or original manner, esp with regard to business practices, products, systems, etc
third-party insurance — insurance that compensates for a loss to a party other than the insured for which the insured is liable.
throw one's hat at it — to give up all hope of getting or achieving something
time and motion study — the systematic investigation and analysis of the motions and the time required to perform a specific operation or task with a view to seeking more efficient methods of production as well as setting time standards.
to be arrayed against — to be opposed to
to be in dire straits — to be in a position of acute difficulty
to be mixed up in sth — if you are mixed up in something, usually something bad, you are involved in it
to blow sth wide open — to expose something
to cross your fingers — If you cross your fingers, you put one finger on top of another and hope for good luck. If you say that someone is keeping their fingers crossed, you mean they are hoping for good luck.
to dig one's heels in — If you dig your heels in or dig in your heels, you refuse to do something such as change your opinions or plans, especially when someone is trying very hard to make you do so.
to have green fingers — If someone has green fingers, they are very good at gardening and their plants grow well.
to hit the bookstands — (of a book) to be published
to kick someone's ass — To kick ass or to kick someone's ass means to show them that you are angry with them, either by telling them or by using physical force.
to lay something bare — If you lay something bare, you uncover it completely so that it can then be seen.
to play second fiddle — If you play second fiddle to someone, your position is less important than theirs in something that you are doing together.
to put the wind up sb — If something or someone puts the wind up you, they frighten or worry you.
to risk life and limb — If someone risks life and limb, they do something very dangerous that may cause them to die or be seriously injured.
to sink without trace — If you say that someone or something sinks without trace or sinks without a trace, you mean that they stop existing or stop being successful very suddenly and completely.
to stick in your mind — If something sticks in your mind, it remains firmly in your memory.
to stick to your guns — If you stick to your guns, you continue to have your own opinion about something even though other people are trying to tell you that you are wrong.
toussaint l'ouverture — François Dominique [frahn-swa dawmee-neek] /frɑ̃ˈswa dɔmiˈnik/ (Show IPA), 1743–1803, Haitian patriot and leader of the Haitian Revolution slave rebellion.
trades union congress — The Trades Union Congress in Britain is the same as the TUC.
trans-alaska pipeline — a pipeline system opened in 1977 that transports oil 800 miles (1300 km) across Alaska, from Prudhoe Bay on the North Slope S to Valdez harbor.
transactinide element — any element having an atomic number higher than 103, the last of the actinide series. These superheavy, radioactive elements are extremely short-lived, and can only be created in the laboratory.
transformational rule — Linguistics. a rule of transformational grammar that relates two phrase markers in the course of a derivation from the deep to the surface syntactic representation of a sentence, as by reordering, inserting, or deleting elements; a rule that converts deep structures into surface structures.
transport segregation — Transport segregation is when particles from a mixture separate because the mixture vibrates while it is being moved.
traveling salesperson — a representative of a business firm who travels in an assigned territory soliciting orders for a company's services.
triangulation station — a point used in triangulation as a basis for making maps. Triangulation stations are marked in a number of ways, such as by a tapering stone pillar on a hilltop
trustee in bankruptcy — a person appointed by a court to administer the property of a bankrupt.
tubercular meningitis — an infection of the membranes of the central nervous system caused by the bacterium Mycobacterium tuberculosis; features can include fever, headache, and coma
tumor necrosis factor — a protein, produced in humans and other animals, that is destructive to cells showing abnormally rapid growth: identical with cachectin. Abbreviation: TNF.
turn queen's evidence — (of an accomplice) to act as witness for the prosecution and testify against those associated with him or her in crime
turn state's evidence — If someone who is accused of a crime turns state's evidence, they agree to give evidence in a law court against another person such as a former accomplice, usually in exchange for a reduced sentence for themselves.
twist the lion's tail — a large, usually tawny-yellow cat, Panthera leo, native to Africa and southern Asia, having a tufted tail and, in the male, a large mane.
two-point perspective — a mathematical system for representing three-dimensional objects and space on a two-dimensional surface by means of intersecting lines that are drawn vertically and horizontally and that radiate from one point (one-point perspective) two points (two-point perspective) or several points on a horizon line as perceived by a viewer imagined in an arbitrarily fixed position.
ulster unionist party — a Northern Irish political party advocating the maintenance of union with the UK
ultraviolet astronomy — the branch of astronomy that deals with celestial objects emitting electromagnetic radiation in the ultraviolet range.
undesirable discharge — a discharge under other than honorable conditions of a person from military service by administrative action.
uniform business rate — a local tax in the UK paid by businesses, based on a local valuation of their premises and a rate fixed by central government that applies throughout the country
uniform resource name — (web) (URN, previously Uniform/Universal Resource Number) 1. Any URI which is not a URL. 2. A particular scheme which is currently (1991-4) under development by the IETF, which should provide for the resolution using Internet protocols of names which have a greater persistence than that currently associated with Internet host names or organisations (as used in URLs). Uniform Resource Names will be URI schemes that improve on URLs in reliability over time, including authenticity, replication, and high availability. When defined, a URN in sense 1 will be an example of a URN in sense 2.
union of south africa — former name for South Africa, Republic of.
unit investment trust — Also called fixed investment trust, fixed trust. an investment company that has a fixed portfolio of securities, usually of a single type, such as municipal bonds or corporate bonds, which are held to maturity: each investor receives a share in the amount proportionate to his or her holding.
universal affirmative — a proposition of the form “All S is P.” Symbol: A, a.
universal disk format — (storage, standard) (UDF) A CD-ROM file system standard that is required for DVD ROMs. UDF is the OSTA's replacement for the ISO 9660 file system used on CD-ROMs, but will be mostly used on DVD. DVD multimedia disks use UDF to contain MPEG audio and video streams. To read DVDs you need a DVD drive, the kernel driver for the drive, MPEG video support, and a UDF driver. DVDs containing both UDF filesystems and ISO 9660 filesystems can be read without UDF support. UDF can also be used by CD-R and CD-RW recorders in packet writing mode.
universe of discourse — the totality of known or supposed objects and phenomena throughout space; the cosmos; macrocosm.

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