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19-letter words containing g, e, r, o

  • convergent sequence — fundamental sequence.
  • convergent thinking — analytical, usually deductive, thinking in which ideas are examined for their logical validity or in which a set of rules is followed, e.g. in arithmetic
  • convergent-sequence — an infinite sequence, x 1 , x 2 , …, whose terms are points in Ek, in which there exists a point y such that the limit as n goes to infinity of xn = y if and only if for every ε>0, there exists a number N such that i > N and j > N implies | xi − xj |< ε. Also called Cauchy sequence, convergent sequence. Compare complete (def 10b).
  • coordinate geometry — analytic geometry.
  • corporate venturing — the provision of venture capital by one company for another in order to obtain information about the company requiring capital or as a step towards acquiring it
  • counter-advertising — the act or practice of calling public attention to one's product, service, need, etc., especially by paid announcements in newspapers and magazines, over radio or television, on billboards, etc.: to get more customers by advertising.
  • counter-programming — to schedule (a broadcast on radio or television) to compete with one on another station.
  • counterconditioning — the conditioning of a response that is incompatible with some previously learned response; for example, in psychotherapy an anxious person might be taught relaxation, which is incompatible with anxiety
  • counterinsurgencies — Plural form of counterinsurgency.
  • counterintelligence — Counterintelligence consists of actions that a country takes in order to find out whether another country is spying on it and to prevent it from doing so.
  • counterpoise bridge — another name for bascule bridge
  • countervailing duty — an extra import duty imposed by a country on certain imports, esp to prevent dumping or to counteract subsidies in the exporting country
  • cox's orange pippin — a variety of eating apple with sweet flesh and a red-tinged green skin
  • cracked gas cooling — Cracked gas cooling is a process in which the temperature of a cracked gas is reduced in order to separate it into different product streams.
  • creative accounting — Creative accounting is when companies present or organize their accounts in such a way that they gain money for themselves or give a false impression of their profits.
  • creeping cinquefoil — any of several plants belonging to the genus Potentilla, of the rose family, having yellow, red, or white five-petaled flowers, as P. reptans (creeping cinquefoil) of the Old World, or P. argentea (silvery cinquefoil) of North America.
  • cross one's fingers — to fold one finger across another in the hope of bringing good luck
  • crown green bowling — (in Britain) bowls played on a crown green
  • cudgel one's brains — to think hard about a problem
  • customs regulations — the regulations relating to customs in a particular country
  • de broglie equation — the postulate of wave mechanics that a particle of mass m moving at a velocity v will have the properties of a wave of wavelength h / mv (de Broglie wavelength) where h is Planck's constant.
  • dendrochronological — Pertaining to dendrochronology.
  • dendrogeomorphology — (geology) the science that uses dendrochronology to study changes to the Earth's surface over time.
  • desargues's theorem — the theorem that if two triangles are so related that the lines joining corresponding vertices meet in a point, then the extended corresponding lines of the two triangles meet in three points, all on the same line.
  • diamond ring effect — a phenomenon, sometimes observed immediately before and after a total eclipse of the sun, in which one of Baily's beads is much brighter than the others, resembling a diamond ring around the moon.
  • dig one's own grave — If you say that someone is digging their own grave, you are warning them that they are doing something foolish or dangerous that will cause their own failure.
  • digital electronics — (electronics)   The implementation of two-valued logic using electronic logic gates such as and gates, or gates and flip-flops. In such circuits the logical values true and false are represented by two different voltages, e.g. 0V for false and +5V for true. Similarly, numbers are normally represented in binary using two different voltages to represented zero and one. Digital electronics contrasts with analogue electronics which represents continuously varying quantities like sound pressure using continuously varying voltages. Digital electronics is the foundation of modern computers and digital communications. Massively complex digital logic circuits with millions of gates can now be built onto a single integrated circuit such as a microprocessor and these circuits can perform millions of operations per second.
  • direct grant school — (in Britain, formerly) a school financed by endowment, fees, and a state grant conditional upon admittance of a percentage of nonpaying pupils nominated by the local education authority
  • don the baggy green — to represent Australia at Test cricket
  • double-helical gear — herringbone gear.
  • drawing-room comedy — a light, sophisticated comedy typically set in a drawing room with characters drawn from polite society.
  • dwight d eisenhower — Dwight David ("Ike") 1890–1969, U.S. general and statesman: Chief of Staff 1945–48; 34th president of the U.S. 1953–61.
  • earthquake coverage — Earthquake coverage is insurance coverage for damage caused by earthquakes.
  • echoencephalography — a device that employs reflected ultrasonic waves to examine the position of brain structures.
  • electrocardiographs — Plural form of electrocardiograph.
  • electrocardiography — The measurement of electrical activity in the heart and the recording of such activity as a visual trace (on paper or on an oscilloscope screen), using electrodes placed on the skin of the limbs and chest.
  • electromagnetically — By means of electromagnetism.
  • electron micrograph — a photograph or image of a specimen taken using an electron microscope
  • electronegativities — Plural form of electronegativity.
  • electronic engineer — a person who is qualified or expert in electronic engineering
  • electronic graphics — (on television) the production of graphic designs and text by electronic means
  • electronic ignition — any system that uses an electronic circuit to supply the voltage to the sparking plugs of an internal-combustion engine
  • electronic magazine — (messaging, publication, web)   (e-zine) A regular publication on some particular topic distributed in digital form, chiefly now via the web but also by electronic mail or floppy disk. E-zines are often distributed for free by enthusiasts.
  • electropalatography — the study of the movements of the tongue during speech using touch-sensitive electrodes in the mouth linked to a computer
  • electrophotographic — Of or pertaining to electrophotography.
  • electrophysiologist — A physiologist whose speciality is electrophysiology.
  • emergency telephone — a public telephone intended for use in emergencies: for example, at the side of a motorway
  • energy conservation — concerted formal or government action or policy to make sure that energy is not wasted
  • engineering factory — a factory where engineering products are made
  • entitlement program — a government program providing defined sectors of the population with social benefits
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