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control group


      n   any group used as a control in a statistical experiment, esp. a group of patients who receive either a placebo or a standard drug during an investigation of the effects of another drug on other patients  
Dictionnaire anglais Collins English definition-Thesaurus  
      vb   , -trols, -trolling, -trolled   tr  
1    to command, direct, or rule  
to control a country     
2    to check, limit, curb, or regulate; restrain  
to control one's emotions, to control a fire     
3    to regulate or operate (a machine)  
4    to verify (a scientific experiment) by conducting a parallel experiment in which the variable being investigated is held constant or is compared with a standard  
a    to regulate (financial affairs)  
b    to examine and verify (financial accounts)  
6    to restrict or regulate the authorized supply of (certain substances, such as drugs)  
7    power to direct or determine  
under control, out of control     
8    a means of regulation or restraint; curb; check  
a frontier control     
9    often pl   a device or mechanism for operating a car, aircraft, etc.  
10    a standard of comparison used in a statistical analysis or scientific experiment  
a    a device that regulates the operation of a machine. A dynamic control is one that incorporates a governor so that it responds to the output of the machine it regulates  
b    (as modifier)  
control panel, control room     
12      (Spiritualism)   an agency believed to assist the medium in a séance  
13      (Also called)    control mark   a letter, or letter and number, printed on a sheet of postage stamps, indicating authenticity, date, and series of issue  
14    one of a number of checkpoints on a car rally, orienteering course, etc., where competitors check in and their time, performance, etc., is recorded  
     (C15: from Old French conteroller to regulate, from contrerolle duplicate register, system of checking, from contre- counter- + rolle roll)  
  controllable      adj  
  controllability, controllableness      n  
  controllably      adv  

air-traffic control  
      n   an organization that determines the altitude, speed, and direction at which planes fly in a given area, giving instructions to pilots by radio  
  air-traffic controller      n  
automatic frequency control  
      n   a system in a radio or television receiver by which the tuning of an incoming signal is accurately maintained,   (Abbrev.)    AFC  
automatic gain control  
      n   control of a radio receiver in which the gain varies inversely with the magnitude of the input, thus maintaining the output at an approximately constant level,   (Abbrev.)    AGC  
biological control  
      n   the control of destructive organisms by nonchemical means, such as introducing a natural predator of the pest  
birth control  
      n   limitation of child-bearing by means of contraception  
   See also       family planning  
budgetary control  
      n   a system of managing a business by applying a financial value to each forecast activity. Actual performance is subsequently compared with the estimates  
control account  
      n     (Accounting)   an account to which are posted the debit and credit totals of other accounts, usually in preparation of financial statements  
control chart  
      n     (Statistics)   a chart on which observed values of a variable are plotted, usually against the expected value of the variable and its allowable deviation, so that excessive variations in the quality, quantity, etc., of the variable can be detected  
control column  
      n   a lever or pillar, usually fitted with a handwheel, used to control the movements of an aircraft,   (Also called)    control stick, joy stick  
control commands  
      pl n   keyed instructions conveyed to a computer by using the control key in conjunction with the standard keys  
control experiment  
      n   an experiment designed to check or correct the results of another experiment by removing the variable or variables operating in that other experiment. The comparison obtained is an indication or measurement of the effect of the variables concerned  
control grid  
      n     (Electronics)      another name for       grid       6   in a tetrode or pentode   in a tetrode or pentode  
control group  
      n   any group used as a control in a statistical experiment, esp. a group of patients who receive either a placebo or a standard drug during an investigation of the effects of another drug on other patients  
control key  
      n   a key on the keyboard of a computer that is used in conjunction with the standard keys in order to initiate a specific function, such as editing  
control rod  
      n   one of a number of rods or tubes containing a neutron absorber, such as boron, that can be inserted into or retracted from the core of a nuclear reactor in order to control its rate of reaction  
control stick  
      n   the lever by which a pilot controls the lateral and longitudinal movements of an aircraft,   (Also called)    control column, joy stick  
control surface  
      n   a movable surface, such as a rudder, elevator, aileron, etc., that controls an aircraft or rocket  
control tower  
      n   a tower at an airport from which air traffic is controlled  
cruise control  
      n   a system in a road vehicle that automatically maintains a selected speed until cancelled  
fire control  
      n     (Military)   the procedures by which weapons are brought to engage a target  
flood control  
      n   the technique or practice of preventing or controlling floods with dams, artificial channels, etc.  
ground control  
1    the personnel, radar, computers, etc., on the ground that monitor the progress of aircraft or spacecraft  
2    a system for feeding continuous radio messages to an aircraft pilot to enable him to make a blind landing  
numerical control  
      n     (Engineering)   a form of computer control applied to machine tools, by which an operation is directed from numerical data stored on tape or punched on cards  
population control  
      n   a policy of attempting to limit the growth in numbers of a population, esp. in poor or densely populated parts of the world, by programmes of contraception or sterilization  
price control  
      n   the establishment and maintenance of maximum price levels for basic goods and services by a government, esp. during periods of war or inflation  
quality control  
      n   control of the relative quality of a manufactured product, usually by statistical sampling techniques  
radio control  
      n   remote control by means of radio signals from a transmitter  
  radio-controlled      adj  
remote control  
      n   control of a system or activity by a person at a different place, usually by means of radio or ultrasonic signals or by electrical signals transmitted by wire  
  remote-controlled      adj  
rent control  
      n   regulation by law of the rent a landlord can charge for domestic accommodation and of his right to evict tenants  
ripple control  
      n   the remote control of a switch by electrical impulses  
      n   the ability to exercise restraint or control over one's feelings, emotions, reactions, etc.  
  self-controlled      adj  
  self-controlling      adj  
tone control  
      n   a device in a radio, etc., by which the relative intensities of high and low frequencies may be varied  

Dictionnaire anglais Collins English definition-Thesaurus  




1    administer, boss     (informal)   call the shots, call the tune, command, conduct, direct, dominate, govern, handle, have charge of, have (someone) in one's pocket, hold the purse strings, keep a tight rein on, keep on a string, lead, manage, manipulate, oversee, pilot, reign over, rule, steer, superintend, supervise  
2    bridle, check, constrain, contain, curb, hold back, limit, master, rein in, repress, restrain, subdue  
3      (used of a machine, an experiment, etc.)   counteract, determine, monitor, regulate, verify  
4    authority, charge, command, direction, discipline, government, guidance, jurisdiction, management, mastery, oversight, rule, superintendence, supervision, supremacy  
5    brake, check, curb, limitation, regulation, restraint  

calmness, cool, coolness, restraint, self-discipline, self-mastery, self-restraint, strength of mind or will, willpower  

Dictionnaire anglais Collins English synonyme-Thesaurus  

Dictionnaire Collaboratif     Anglais Définition
[subj: poiicemen] to herd [demonstrators] into a compact group in order to control their movements
dispatcher in EMS Control Center
distributed control system; a control system for a process or plant, wherein control elements are distributed throughout the system
chemical plants, petrochemical (oil) and refineries, boiler controls and power plant systems, nuclear power plants, environmental control systems etc.
Refers to a teen’s group of friends.
Usually employed as "squad goals": term used to describe who you want your group to be or what you want your group to accomplish.
it's said for determining someone to calm down, be patient, control his/her reactions
Actual hold (complete or partial control) of digital assets with or without lawful title
[Tech.];[Leg.] hold of digital assets in cyberspace
a small group of people or things within a much larger group
There are a lot of national minorities in my home country (Denmark). We have a lot of people from Poland, Somalia etc.
Term used to describe who one wants their group to be or what they want their group to accomplish.
[Slang] This has been made popular by Taylor Swift and her fleet of Twitter followers. "Oh my gosh, they are seriously squad goals!"
Arotten apple is a member of a group, or a single element in a set of things, that is bad and likely to corrupt the other people or things in the group
Allusion to the expression "One bad apple spoils the barrel"
1:to utter taunting words 2:to deride or tease with taunting words 'The Gridiron Show group joked with and gibed at those in the Memphis power structure, politicians mostly. Rarely did anyone get their feelings hurt by the skits in the shows…." — Toby Sells, Memphis Magazine, December 2014
the actions and activities assigned to or required or expected of a person or group
a group selfie ; a picture taken by one person next to other people, usually to share it through social media
[Slang] comes from the combination of "selfie" and "us"
a group to vote for as a whole, not by individuals.
a term used on voting ballots
police crowd management technique that consists of herding people into a compact group. AKA corralling
a group of people who decide to meet and make purchases at a local business. The aim is both to support it and to meet up with the community.
Inspired by the phenomenon of flash mobs, which refers to groups of people mobilized by social media to perform entertaining or unusual acts in public, such as choreographies
competitive set: a group of other brands offering a similar product or service, to the same consumers
When a large group of competing corporations hope to use the government to protect or enhance their interests.
Economic Term.
expression used to describe an attempt to organize a difficult or unpredictable situation; trying to coordinate a group of people who tend to act chaotically
[Bus.] E.g: Some say that managing a team is herding cats.
(#BD) In humanocracy, a revocable delegate member of a group of 25 delegators, chosen and controlled by them. 25 basis delegates can choose a council delegate.
Anarchists in Spain have chosen basis delegates in 1936. Similar delegates have been chosen during many struggles of the people : shop stewards in UK, revocable delegates in Italy during the 70th.
(#CD) In humanocracy, a revocable delegate member of a group of 25 basis delegates, chosen and controlled by them. 25 council delegates can choose a deputy-delegate.
An avant-garde, experimental and encyclopaedism-focused poetry group founded by Chinese epic poet Yin Xiaoyuan
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