. . "115153472"^^ . "middle age"^^ . "the time of life between youth and old age (e.g., between 40 and 60 years of age)"@en-us . "15153472-n"^^ . . "114295715"@en-us . . "middle age"@en-us . "0"^^ . . "110874849"@en-us . . . . "0.375"^^ . .