摩擦音

1. Origins, structure, and basic meaning

• Structure: 摩擦音, read まさつおん, means a sound produced by rubbing or scraping, or the speech-sound category called a fricative.
• Basic usage: It is used for the sound of a metal door and for a category of sounds taught in pronunciation class.
  • 古い扉を開けると金属の摩擦音が響いた。

2. Common pitfalls and similar expressions

• English terms by context
  • A sound from rubbing or scraping can be called a friction sound, while the speech-sound category is a fricative.