1 the period of time between one's ninetieth and one hundredth birthdays.
az: doxsanıncı
ru: возраст от 90 до 100 лет
2 the range of temperatures between ninety and one hundred degrees.
az: doxsan yüz arası
ru: температура от 90 до 100
3 the period of time between the ninetieth and one hundredth years of a century.
az: doxsanıncı
ru: девяностые годы (века)