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Etymology

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From depress +‎ -ant.

Pronunciation

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Noun

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depressant (countable and uncountable, plural depressants)

  1. (pharmacology) A pharmacological substance which decreases neuronal or physiological activity.
    Alcohol acts first as a stimulant and then as a depressant.
  2. (mining) An agent that inhibits the flotation of a mineral or minerals.

Derived terms

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Translations

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Adjective

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depressant (comparative more depressant, superlative most depressant)

  1. (pharmacology) reducing functional or nervous activity.