研けん磨ま剤ざい

noun

abrasive; polishing agent; abrasive compound

Technical term for a substance used to grind, polish, or clean surfaces by friction. Often used in industrial, dental, or household contexts.

See also: 研磨材

• 歯は磨みがき粉こには研けん磨ま剤ざいが含ふくまれている。

  Toothpaste contains an abrasive agent.

• 金きん属ぞくの表ひょう面めんを研けん磨ま剤ざいで磨みがく。

  Polish the metal surface with an abrasive compound.