mortality

• n. 死の数、死亡率；死の確実性、運命の確実性

mortal, deathly, fatalから。mortality, number of deathsから派生した。

mortality (n.)

mid-14c., "condition of being mortal," from Old French mortalite "massacre, slaughter; fatal illness; poverty; destruction" (12c.), from Latin mortalitem (nominative mortalitas) "state of being mortal; subjection to death," from mortalis (see mortal (adj.)). Meaning "widespread death" is from c. 1400; meaning "number of deaths from some cause or in a given period" is from 1640s.

1. Premature birth is the main cause of perinatal mortality .

早産は臨産死の主な原因である。

2.The study also demonstrated a direct link between obesity and mortality .

この研究は肥満症と死亡率の間に直接的なつながりがあることも示している。

3.The United States ranks 20 th in its infant mortality rate.

米国は乳児死亡率で20位だった。

4.She has suddenly come face to face with her own mortality .

彼女は突然死と向き合う立場に陥った。

5.After her mother 's death，she became acutely aware of her own mortality .

彼女の母が亡くなった後、彼女は自分の命が限られていることを強く意識し始めた。