消毒

1. Origins, structure, and basic meaning

• Structure: 消毒 (しょうどく) denotes disinfecting a surface or area to reduce harmful microorganisms.
• Basic usage: 作業台を消毒した records a completed preparation; 傷口の周囲を消毒する gives a general treatment step.

2. Common pitfalls and similar expressions

• The area marked by を
  • Both clauses mark the treated surface with を. Washing with water and disinfecting follow one another but remain distinct actions.