Depressant

adj, noun

Definitions

Adjective
  1. 1
    Reducing functional or nervous activity.

    "the conception of the asomatous depressant malaria"

Adjective
  1. 1
    capable of depressing physiological or psychological activity or response by a chemical agent wordnet
Noun
  1. 1
    A pharmacological substance which decreases neuronal or physiological activity. countable, uncountable

    "Alcohol acts first as a stimulant and then as a depressant."

  2. 2
    a drug that reduces excitability and calms a person wordnet
  3. 3
    An agent that inhibits the flotation of a mineral or minerals. countable, uncountable

Etymology

Etymology 1

From depress + -ant.

Etymology 2

From depress + -ant.

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