Meaning of POISON in English

POISON

■ noun

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.

■ verb

1》 administer ~ to or contaminate with ~.

2》 corrupt or harm.

Derivatives

~er noun

Origin

ME: from OFr. ~ 'magic potion', from L. potio(n-) 'potion', related to potare 'to drink'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.