余よ齢れいよれいMeanings1nounlife expectancyA formal or technical term for the expected remaining lifespan of a person, animal, or device. In everyday speech, 寿命 (じゅみょう) is more common.この機き械かいの余よ齢れいはあと数すう年ねんと見み積つもられている。The life expectancy of this machine is estimated to be a few more years.