21-letter words containing f, e, d, r
- a crying need for sth — If you say that there is a crying need for something, you mean that there is a very great need for it.
- a recipe for disaster — If you say that something is a recipe for disaster, you mean that it is very likely to have unpleasant consequences.
- a world of difference — If you say that there is a world of difference between one thing and another, you are emphasizing that they are very different from each other.
- accommodation officer — a person employed by an institution or organization, whose job it is to find accommodation for the people who attend that institution, esp for students at a university or college
- accreditation officer — a person who is responsible for all aspects of the accreditation of an educational institution
- afro-american studies — black studies.
- aleksandra fyodorovna — Alexandra Feodorovna.
- anti-aircraft defence — military measures or resources aimed at destroying enemy aircraft
- apres-midi d'un faune — L'Après-midi d'un Faune.
- before-and-after test — a test which compares the state or function of something before intervention or modification, and after it
- behavior modification — a technique that seeks to modify animal and human behavior through application of the principles of conditioning, in which rewards and reinforcements, or punishments, are used to establish desired habits, or patterns of behavior
- bernadette of lourdes — Saint. original name Marie Bernarde Soubirous. 1844–79, French peasant girl born in Lourdes, whose visions of the Virgin Mary led to the establishment of Lourdes as a centre of pilgrimage, esp for the sick or crippled. Feast day: Feb 18
- bichloride of mercury — mercuric chloride
- bird-voiced tree frog — a frog, Hyla avivoca, of the southern U.S., having a birdlike, whistling call.
- black-headed fireworm — the larva of any of several moths, as Rhopobota naevana (black-headed fireworm) which feeds on the leaves of cranberries and causes them to wither.
- bromine pentafluoride — a colorless, corrosive liquid, BrF 5 , used as an oxidizer in liquid rocket propellants.
- cantilever foundation — a building foundation supporting its load partly or wholly upon cantilevers.
- chloroformyl chloride — phosgene.
- circle of declination — hour circle.
- 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
- clostridium difficile — Clostridium difficile is a bacterium that causes severe diarrhoea. It is commonly found in hospitals. C.diff is also used.
- college of propaganda — information, ideas, or rumors deliberately spread widely to help or harm a person, group, movement, institution, nation, etc.
- collimator viewfinder — a type of viewfinder in a camera
- come in from the cold — to come out of exile, isolation, etc.; resume an active role
- comfortably-furnished — containing comfortable furniture
- confused flour beetle — a brown flour beetle, Tribolium confusum, that feeds on stored grain and grain products.
- cosmological redshift — the part of the redshift of celestial objects resulting from the expansion of the universe.
- credit life insurance — insurance guaranteeing payment of the unpaid portion of a loan if the debtor should die.
- dark-field microscope — ultramicroscope
- dataflow architecture — a means of arranging computer data processing in which operations are governed by the data present and the processing it requires rather than by a prewritten program that awaits data to be processed
- 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.
- delusions of grandeur — If someone has delusions of grandeur, they think and behave as if they are much more important or powerful than they really are.
- 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
- difference of opinion — disagreement
- 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.
- divine right of kings — the doctrine that the right of rule derives directly from God, not from the consent of the people.
- 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.
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