耐用年数（たいようねんすう）
JLPT N2 · noun
Pitch accent: nakadaka (middle-high) — pitch drops after mora 5
Meaning: useful life/service life
Example sentences
- この機械の耐用年数は十年だ。 — This machine's service life is ten years.
- 耐用年数を過ぎたら買い替える。 — They replace it once it's past its service life.
Related words
See it used in real works
- Example sentences from Japanese novels & web fiction (Massif)
- Hear “耐用年数” pronounced in real videos (YouGlish)