21-letter words containing n, t, f
- chief master sergeant — a solider of the highest enlisted rank in the US Air Force
- chief warrant officer — a senior-ranking warrant officer in various armed forces
- chinese forget-me-not — an eastern Asian plant, Cynoglossum amabile, of the borage family, having lance-shaped leaves and clustered, showy, blue, pink, or white flowers.
- circle of declination — hour circle.
- clearance certificate — permission for a ship to use, leave, or enter a port
- clement of alexandria — Saint. original name Titus Flavius Clemens. ?150–?215 ad, Greek Christian theologian: head of the catechetical school at Alexandria; teacher of Origen. Feast day: Dec 5
- coinfectious immunity — premunition.
- collimator viewfinder — a type of viewfinder in a camera
- collins street farmer — a businessman who invests in farms, land, etc
- come in from the cold — to come out of exile, isolation, etc.; resume an active role
- comfortably-furnished — containing comfortable furniture
- composition of forces — the combination, by vector algebra, of two or more forces into a single equivalent force (the resultant)
- computer conferencing — the conduct of meetings through the use of computer-based telecommunications
- conference facilities — Conference facilities are large rooms and pieces of equipment that a hotel provides so an organization can have conference there.
- confirm a reservation — If you confirm a reservation, you inform someone who has booked a room at a hotel that the reservation is definite.
- confused flour beetle — a brown flour beetle, Tribolium confusum, that feeds on stored grain and grain products.
- contextual definition — definition of a word or symbol by explaining the meaning of the phrase or statement in which it occurs.
- continental breakfast — A continental breakfast is breakfast that consists of food such as bread, butter, jam, and a hot drink. There is no cooked food.
- correctional facility — A correctional facility is a prison or similar institution.
- cost-benefit analysis — an analysis that takes into account the costs of a project and its benefits to society, as well as the revenue it generates
- counsel of perfection — excellent but unrealizable advice
- count of monte cristo — a novel (1844–45) by Alexandre Dumas père.
- court of common pleas — (formerly) a superior court exercising jurisdiction in civil actions between private citizens
- credit life insurance — insurance guaranteeing payment of the unpaid portion of a loan if the debtor should die.
- customer satisfaction — When customers are pleased with the goods or services they have bought, you can refer to customer satisfaction.
- dead from the neck up — stupid or unintelligent
- defender of the faith — the title conferred upon Henry VIII by Pope Leo X in 1521 in recognition of the King's pamphlet attacking Luther's doctrines and retained by subsequent monarchs of England
- degradation of energy — the principle that during any irreversible process the total energy available to do work decreases.
- demand-pull inflation — inflation in which rising demand results in a rise in prices.
- department of defense — the department of the U.S. federal government charged with ensuring that the military capacity of the U.S. is adequate to safeguard the national security. Abbreviation: DOD.
- department of justice — the department of the U.S. federal government charged with the responsibility for the enforcement of federal laws. Abbreviation: DOJ.
- detoxification centre — a place that specializes in the treatment of alcoholism or drug addiction
- dictionary definition — the meaning of a word as given in a dictionary or dictionaries
- differential analyzer — an analog computer designed for solving certain differential equations.
- differential calculus — the branch of mathematics that deals with differentials and derivatives.
- differential equation — an equation involving differentials or derivatives.
- differential geometry — the branch of mathematics that deals with the application of the principles of differential and integral calculus to the study of curves and surfaces.
- differential operator — a function, usually expressed as a polynomial, that indicates linear combinations of the derivatives of the expression on which it operates.
- differential quotient — derivative (def 6).
- differential topology — the branch of topology that studies the properties of differentiable manifolds that remain invariant under diffeomorphisms.
- differential windlass — a pair of hoisting drums of different diameter turning at the same rate, such that a pulley suspended below them on a line wound on the larger drum and unwound from the smaller drum is raised with mechanical advantage.
- differential-quotient — something that has been derived.
- diffusion coefficient — the rate at which a diffusing substance is transported between opposite faces of a unit cube of a system when there is unit concentration difference between them
- discriminant function — a linear function of measurements of different properties of an object or event that is used to assign the object or event to one population or another (discriminant analysis)
- distribution function — (of any random variable) the function that assigns to each number the probability that the random variable takes a value less than or equal to the given number.
- divine right of kings — the doctrine that the right of rule derives directly from God, not from the consent of the people.
- downhole safety valve — A downhole safety valve is a piece of safety equipment used inside a well, which isolates wellbore pressure and fluid if something bad happens.
- draft once reuse many — (jargon) (DORUM) Reusing parts of a document to produce parts of an entirely new document. The term normally refers to text documents but the practise is equally common in programming.
- drop the handkerchief — a children's game in which all the players but one stand in a circle facing inward, while that one player stealthily drops a handkerchief behind a player in the circle who must pursue and attempt to catch the one who dropped the handkerchief before the latter reaches the vacated place.
- electric flux density — Electric flux density is electric flux passing through a unit area perpendicular to the direction of the flux.