controlled

[ kuh n-trohld ]
/ kənˈtroʊld /

adjective

held in check; curbed: poorly controlled anger.
carefully regulated, tested, or verified: a controlled experiment.
(of a drug) restricted by law as to possession and use: Morphine is a controlled drug.

Nearby words

  1. control tower,
  2. control unit,
  3. control variable,
  4. controllable,
  5. controllable-pitch,
  6. controlled experiment,
  7. controlled explosion,
  8. controlled hypotension,
  9. controlled mechanical ventilation,
  10. controlled respiration

Origin of controlled

1580–90 control + -ed2

control

[ kuhn-trohl ]
/ kənˈtroʊl /

verb (used with object), con·trolled, con·trol·ling.

noun

Verb Phrases

control for, Statistics. to account for (variables in an analysis) by limiting the data under consideration to a comparison of like things: to control for demographic factors.

Origin of control

1425–75; late Middle English co(u)ntrollen (v.) < Anglo-French contreroller to keep a duplicate account or roll, derivative of contrerolle (noun). See counter-, roll

Related forms

Synonym study

6. See authority.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for controlled


British Dictionary definitions for controlled

control

/ (kənˈtrəʊl) /

verb -trols, -trolling or -trolled (tr)

noun

Derived Formscontrollable, adjectivecontrollability or controllableness, nouncontrollably, adverb

Word Origin for control

C15: from Old French conteroller to regulate, from contrerolle duplicate register, system of checking, from contre- counter- + rolle roll

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for controlled
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for controlled

control

[ kən-trōl ]

v.

To verify or regulate a scientific experiment by conducting a parallel experiment or by comparing with another standard.
To hold in restraint; check.

n.

A standard of comparison for checking or verifying the results of an experiment.
An individual or group used as a standard of comparison in a control experiment.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for controlled

control

[ kən-trōl ]

A standard of comparison for checking or verifying the results of an experiment. In an experiment to test the effectiveness of a new drug, for example, one group of subjects (the control group) receives an inactive substance or placebo , while a comparison group receives the drug being tested.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with controlled

control

see out of control; spin control.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.