n.

1. 毒；毒藥；毒物[C][U]
   Gas is a poison.

   瓦斯是有毒氣體。

2. 有害之物；（對社會的）毒害；弊害[C][U]
   Some people say that selfishness is a poison in our society.

   有些人說自私是我們社會的一害。

3. 【俚】酒[U]
4. 抑制劑

vt.

1. 使中毒；毒死；放毒於
   The natives use poisoned arrows to kill big game.

   土著用毒箭射殺大獵物。

2. 汙染
   Industrial wastes have poisoned the river.

   工業廢棄物汙染了這條河。

3. 毒害；敗壞；玷汙；破壞
   Jealousy poisoned their friendship.

   嫉妒破壞了他們的友誼。

4. 阻礙，抑制

vi.

1. 放毒，下毒

a.

1. 有毒的

n.

1. a substance that causes death or harm when introduced into or absorbed by a living organism.
2. something that has a destructive or corrupting influence.
3. Chemistry  a substance that reduces the activity of a catalyst.
4. Physics  an impurity that retards nuclear fission by absorbing neutrons.

v.

1. administer poison to or contaminate with poison.
2. corrupt or harm.