年ねん数すうTop 15000MeaningsNoun1. number of yearsKanji used年year数numberPitch accentねんすうUsed in vocabulary耐たい用よう年ねん数すう(machine's) service lifeNoun築ちく年ねん数すうage of a buildingNoun法ほう定てい耐たい用よう年ねん数すうstatutory useful lifeNoun