noun Psychology.
Also called operant conditioning, instrumental conditioning. a process of changing behavior by rewarding or punishing a subject each time an action is performed until the subject associates the action with pleasure or distress.
Also called classical conditioning, Pavlovian conditioning, respondent conditioning. a process in which a stimulus that was previously neutral, as the sound of a bell, comes to evoke a particular response, as salivation, by being repeatedly paired with another stimulus that normally evokes the response, as the taste of food.

1915–20; condition + -ing1

self-conditioning, adjective Unabridged


a particular mode of being of a person or thing; existing state; situation with respect to circumstances.
state of health: He was reported to be in critical condition.
fit or requisite state: to be out of condition; to be in no condition to run.
social position: in a lowly condition.
a restricting, limiting, or modifying circumstance: It can happen only under certain conditions.
a circumstance indispensable to some result; prerequisite; that on which something else is contingent: conditions of acceptance.
Usually, conditions. existing circumstances: poor living conditions.
something demanded as an essential part of an agreement; provision; stipulation: He accepted on one condition.
a stipulation in an agreement or instrument transferring property that provides for a change consequent on the occurrence or nonoccurrence of a stated event.
the event upon which this stipulation depends.
Informal. an abnormal or diseased state of part of the body: heart condition; skin condition.
U.S. Education.
a requirement imposed on a college student who fails to reach the prescribed standard in a course at the end of the regular period of instruction, permitting credit to be established by later performance.
the course or subject to which the requirement is attached.
Grammar, protasis.
Logic. the antecedent of a conditional proposition.
verb (used with object)
to put in a fit or proper state.
to accustom or inure: to condition oneself to the cold.
to air-condition.
to form or be a condition of; determine, limit, or restrict as a condition.
to subject to particular conditions or circumstances: Her studies conditioned her for her job.
U.S. Education. to impose a condition on (a student).
to test (a commodity) to ascertain its condition.
to make (something) a condition; stipulate.
Psychology. to establish a conditioned response in (a subject).
to test (fibers or fabrics) for the presence of moisture or other foreign matter.
to replace moisture lost from (fibers or fabrics) in manipulation or manufacture.
verb (used without object)
to make conditions.
on/upon condition that, with the promise or provision that; provided that; if: She accepted the position on condition that there would be opportunity for advancement.

1275–1325; Middle English condicioun < Anglo-French; Old French < Latin condiciōn- (stem of condiciō) agreement, equivalent to con- con- + dic- say (see dictate) + -iōn- -ion; spelling with t by influence of Late Latin or Medieval Latin forms; compare French condition

conditionable, adjective
uncondition, verb (used with object)

1. See state. 8. requirement, proviso. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To conditioning
World English Dictionary
condition (kənˈdɪʃən)
1.  a particular state of being or existence; situation with respect to circumstances: the human condition
2.  something that limits or restricts something else; a qualification: you may enter only under certain conditions
3.  (plural) external or existing circumstances: conditions were right for a takeover
4.  state of health or physical fitness, esp good health (esp in the phrases in condition, out of condition)
5.  an ailment or physical disability: a heart condition
6.  something indispensable to the existence of something else: your happiness is a condition of mine
7.  something required as part of an agreement or pact; terms: the conditions of the lease are set out
8.  law
 a.  a declaration or provision in a will, contract, etc, that makes some right or liability contingent upon the happening of some event
 b.  the event itself
9.  logic sufficient See necessary a statement whose truth is either required for the truth of a given statement (a necessary condition) or sufficient to guarantee the truth of the given statement (a sufficient condition)
10.  maths, logic a presupposition, esp a restriction on the domain of quantification, indispensable to the proof of a theorem and stated as part of it
11.  statistics short for experimental condition
12.  rank, status, or position in life
13.  (conjunction) on condition that, upon condition that provided that
14.  psychol
 a.  to alter the response of (a person or animal) to a particular stimulus or situation
 b.  to establish a conditioned response in (a person or animal)
15.  to put into a fit condition or state
16.  to improve the condition of (one's hair) by use of special cosmetics
17.  to accustom or inure
18.  to subject to a condition
19.  archaic (intr) to make conditions
[C14: from Latin conditiō, from condīcere to discuss, agree together, from con- together + dīcere to say]

conditioning (kənˈdɪʃənɪŋ)
1.  psychol classical conditioning See also instrumental learning the learning process by which the behaviour of an organism becomes dependent on an event occurring in its environment
2.  (of a shampoo, cosmetic, etc) intended to improve the condition of something: a conditioning rinse

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

early 14c., from O.Fr. condition, from L. condicionem (nom. condicio) "agreement, situation," from condicere "to speak with, talk together," from com- "together" + dicere "to speak" (see diction). Evolution of meaning through "stipulation, condition," to "situation, mode
of being." The verb meaning "to bring to a desired condition" is from 1850.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

condition con·di·tion (kən-dĭsh'ən)

  1. A disease or physical ailment.

  2. A state of health or physical fitness.

v. con·di·tioned, con·di·tion·ing, con·di·tions
To cause an organism to respond in a specific manner to a conditioned stimulus in the absence of an unconditioned stimulus.

conditioning con·di·tion·ing (kən-dĭsh'ə-nĭng)
A process of behavior modification by which a subject comes to associate a desired behavior with a previously unrelated stimulus.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
conditioning   (kən-dĭsh'ə-nĭng)  Pronunciation Key 
See classical conditioning.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
Increased temperatures result in more air-conditioning and electricity usage, which is harmful to the environment.
It was packed, and although it was one of the new double-decker trains, the air-conditioning didn't seem to be working properly.
It's the best real estate possible-waterfront, protected from hurricanes, and powerless air-conditioning.
Except for the heavy loads of heating and air-conditioning, this setup could reduce a home's annual power bill to near zero.
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature