18-letter words containing f, e, i, s, t, y
- andrew file system — (operating system, storage) (AFS) The distributed file system of the Andrew Project, adopted by the OSF as part of their Distributed Computing Environment.
- asymmetric warfare — warfare in which opposing groups or nations have unequal military resources, and the weaker opponent uses unconventional weapons and tactics, as terrorism, to exploit the vulnerabilities of the enemy.
- asymptotic freedom — a property of the force between quarks, according to quantum chromodynamics, such that they behave almost like free particles when they are close together within a hadron.
- at your fingertips — If you say that something is at your fingertips, you approve of the fact that you can reach it easily or that it is easily available to you.
- bats-in-the-belfry — a hairy Eurasian campanulaceous plant, Campanula trachelium, with bell-shaped blue-purple flowers
- bloggs family, the — An imaginary family consisting of Fred and Mary Bloggs and their children. Used as a standard example in knowledge representation to show the difference between extensional and intensional objects. For example, every occurrence of "Fred Bloggs" is the same unique person, whereas occurrences of "person" may refer to different people. Members of the Bloggs family have been known to pop up in bizarre places such as the DEC Telephone Directory. Compare Mbogo, Dr. Fred.
- breach of security — an act that violates a country, area, or building's security measures
- dimethyl sulfoxide — DMSO.
- distress frequency — a radio frequency band reserved for emergency signals from aircraft or ships in distress.
- duty-free shopping — the making of duty-free purchases
- dysfunctionalities — Plural form of dysfunctionality.
- family-size packet — a packet large enough to be suitable for a family
- first duke of york — a member of the royal house of England that ruled from 1461 to 1485.
- first year infants — a class for young children who have just started school
- flat-panel display — a type of thin, lightweight video display that uses liquid crystals or electroluminescence to reflect images.
- forensic chemistry — the application of facts concerning chemistry to questions of civil and criminal law.
- hilary of poitiers — Saint, a.d. c300–368, French bishop and theologian.
- idylls of the king — a series of poems by Tennyson, based on Arthurian legend.
- information system — a computer system or set of components for collecting, creating, storing, processing, and distributing information, typically including hardware and software, system users, and the data itself: the use of information systems to solve business problems.
- infrared astronomy — the study of infrared radiation emitted by celestial objects.
- interface analysis — (testing) A software test which checks the interfaces between program elements for consistency and adherence to predefined rules or axioms.
- lifestyle business — a small business in which the owner is more anxious to pursue interests that reflect his or her lifestyle than to make more than a comfortable living
- locally finite set — a collection of sets in a topological space in which each point of the space has a neighborhood that intersects a finite number of sets of the collection.
- loosestrife family — the plant family Lythraceae, characterized by herbaceous plants, shrubs, and trees having usually opposite or whorled, simple leaves, clusters of flowers, and fruit in the form of a capsule, and including the crape myrtle, loosestrifes of the genus Lythrum, and the henna shrub.
- money of necessity — temporary coinage, as siege pieces, issued in areas where regular coinage is unavailable: sometimes of unusual materials, as leather or wood.
- nursery facilities — places where young children are looked after
- offset lithography — offset (def 6).
- pellitory of spain — a small Mediterranean plant, Anacyclus pyrethrum, the root of which contains an oil formerly used to relieve toothache: family Asteraceae (composites)
- phase-shift keying — (communications) (PSK) A digital modulation scheme that conveys data by changing the phase of a carrier wave. The data can either determine the absolute phase relative to the unmodulated carrier or reference signal ("coherent phase-shift keying", CPSK) or the change in phase ("differential phase-shift keying", DPSK). The number of different phases used determines the amount of data that can be transmitted in each cycle. Each cycle can be considered to constitute one "symbol", e.g. with two possible phases, each cycle carries one bit. The more phases that are used, the less tollerant to noise the transmissions becomes. Alternatives to PSK are amplitude-shift keying (ASK) and frequency-shift keying (FSK).
- quality of service — (communications, networking) (QoS) The performance properties of a network service, possibly including throughput, transit delay, priority. Some protocols allow packets or streams to include QoS requirements.
- range of stability — the angle to the perpendicular through which a vessel may be heeled without losing the ability to right itself.
- reflection density — a measure of the extent to which a surface reflects light or other electromagnetic radiation, equal to the logarithm to base ten of the reciprocal of the reflectance
- safety regulations — regulations or rules that are put in place to ensure a product, event, etc, is safe and not dangerous
- safety-deposit box — a lockable metal box or drawer, especially in a bank vault, used for safely storing valuable papers, jewelry, etc.
- security of tenure — (in Britain) the right of a tenant to continue to occupy a dwelling or site unless the landlord obtains a court order for possession of the property or termination of the tenancy agreement
- self-contradictory — an act or instance of contradicting oneself or itself.
- self-deprecatingly — in a self-deprecating manner
- six-finger country — an isolated area considered as being inhabited by people who practise inbreeding
- society of friends — a Christian denomination, founded in England c. 1650 by George Fox, that has no formal creed, liturgy, or priesthood and rejects violence in human relations, esp. warfare
- sodium hyposulfite — sodium thiosulfate.
- specific viscosity — a measure of the resistance to flow of a fluid, expressed as the ratio of the absolute viscosity of the fluid to that of a reference fluid (usually water in the case of liquids)
- symmetric function — a polynomial in several indeterminates that stays the same under any permutation of the indeterminates.
- to play favourites — to display favouritism
- treasury of merits — the superabundant store of merits and satisfactions, comprising those of Christ, the Virgin Mary, and the saints.
- treaty of rijswijk — a treaty signed at Rijswijk in the Netherlands in 1697, ending the War of the Grand Alliance
- university faculty — a division within a university comprising one subject area, or a number of related subject areas
- wildlife sanctuary — an area where wild animals and plants are protected
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