corrective

名词 corrective:

1. a device for treating injury or disease
   同义词：restorative

形容词 corrective:

1. designed to promote discipline
   同义词：disciplinary, disciplinal
2. tending or intended to correct or counteract or restore to a normal condition

1. Something, such as corrective discipline or punishment, that is unpleasant but necessary or unavoidable.
   (喻)药某种令人不快的但却必需的或不可避免的东西，例如矫正性惩罚
2. Serving or tending to amend; corrective.
   修改的; 改正的用于或打算修改的; 改正的

cor.rec.tive

adj.（形容词）
Tending or intended to correct.
改正：倾向或以改正为目的的
n.（名词）
An agent that corrects.
补救药：起改正作用的药剂

【引伸】
correc.tively
adv.（副词）