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English definition of “discipline”

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discipline

noun  /ˈdɪs·ə·plən, -ˌplɪn/ us  

discipline noun (TRAINING)

[U] training that produces obedience or self-control, often in the form of rules and punishments if these are broken, or the obedience or self-control produced by this training: military discipline [U] Discipline is also the ability to control a mental activity: Learning a foreign language requires discipline.

discipline noun (SUBJECT)

[C] a particular area of study, esp. a subject studied at a college or university: an academic discipline

discipline

verb [T]  /ˈdɪs·ə·plən, -ˌplɪn/ us  

discipline verb [T] (PUNISH)

to punish someone: He was disciplined for his bad conduct.
(Definition of discipline from the Cambridge Academic Content Dictionary © Cambridge University Press)
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