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单词 depressant
释义

WordReference Random House Learner's Dictionary of American English © 2024
de•pres•sant /dɪˈprɛsənt/USA pronunciation   adj. [before a noun]
  1. Medicinetending to slow the activity of one or more bodily systems:depressant drugs.

n. [countable]
  1. Medicinea drug or other agent that reduces extremes of emotion like irritability or excitement;
    a sedative:They treated him with depressants.
See -press-.
WordReference Random House Unabridged Dictionary of American English © 2024
de•pres•sant  (di pres′ənt),USA pronunciation adj. 
  1. Medicinehaving the quality of depressing or lowering the vital activities;
    sedative.
  2. causing a lowering in spirits;
    dejecting.
  3. causing a drop in value;
    economically depressing.

n. 
  1. Medicinea sedative. Cf. stimulant (def. 1).
  2. Chemistryany agent capable of diminishing a specific property of a substance.
  • depress + -ant 1875–80

Collins Concise English Dictionary © HarperCollins Publishers::
depressant /dɪˈprɛsənt/ adj
  1. able to diminish or reduce nervous or functional activity
  2. causing gloom or dejection; depressing
 n
  1. a depressant drug
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更新时间：2025/2/23 15:22:11