depressant [di'presənt]

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adj. �������õ�

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n. downer��sedative��sedative drug

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a.   stimulative

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1. Exercising power is the most effective short-range anti-depressant in the world.
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2. Any risk of freezing is avoided by addition of an approved freezing point depressant.
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3. The transport capacity can be increased by adding depressant in waxy crude oil to be delivered.
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n.
  1. a drug that reduces excitability and calms a person
  2. capable of depressing physiological or psychological activity or response by a chemical agent

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depressant
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contrastimulant depressant
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depressant inhibitor
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central depressant
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depressant drug
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