xvi
— Noun
– English
～ the cardinal number that is the sum of fifteen and one
xvii
— Noun
– English
～ the cardinal number that is the sum of sixteen and one
xviii
— Noun
– English
～ the cardinal number that is the sum of seventeen and one
XX
— Noun
– English
～ (genetics) normal complement of sex chromosomes in a female
xx
— Noun
– English
～ the cardinal number that is the sum of nineteen and one
xxi
— Noun
– English
～ the cardinal number that is the sum of twenty and one
xxii
— Noun
– English
～ the cardinal number that is the sum of twenty-one and one
xxiii
— Noun
– English
～ the cardinal number that is the sum of twenty-two and one
xxiv
— Noun
– English
～ the cardinal number that is the sum of twenty-three and one
xxix
— Noun
– English
～ the cardinal number that is the sum of twenty-eight and one
xxv
— Noun
– English
～ the cardinal number that is the sum of twenty-four and one
xxvi
— Noun
– English
～ the cardinal number that is the sum of twenty-five and one
xxvii
— Noun
– English
～ the cardinal number that is the sum of twenty-six and one
xxviii
— Noun
– English
～ the cardinal number that is the sum of twenty-seven and one
xxx
— Noun
– English
～ the cardinal number that is the product of ten and three
XXX
— Noun
– English
～ (genetics) abnormal complement of three X chromosomes in a female
XXY-syndrome
— Noun
– English
～ syndrome in males that is characterized by small testes and long legs and enlarged breasts and reduced sperm production and mental retardation; a genetic defect in which an extra X chromosome (XXY) is present in the male
xxy
— Noun
– English
～ (genetics) abnormal complement of sex hormones in a male resulting in Klinefelter's syndrome
xy
— Noun
– English
～ (genetics) normal complement of sex hormones in a male
Xylaria polymorpha
— Noun
– English
～ the fruiting bodies of the fungi of the genus Xylaria