xxix
— Navneord
– Engelsk
～ the cardinal number that is the sum of twenty-eight and one
xxv
— Navneord
– Engelsk
～ the cardinal number that is the sum of twenty-four and one
xxvi
— Navneord
– Engelsk
～ the cardinal number that is the sum of twenty-five and one
xxvii
— Navneord
– Engelsk
～ the cardinal number that is the sum of twenty-six and one
xxviii
— Navneord
– Engelsk
～ the cardinal number that is the sum of twenty-seven and one
xxx
— Navneord
– Engelsk
～ the cardinal number that is the product of ten and three
XXX
— Navneord
– Engelsk
～ (genetics) abnormal complement of three X chromosomes in a female
XXY-syndrome
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～ 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
— Navneord
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～ (genetics) abnormal complement of sex hormones in a male resulting in Klinefelter's syndrome
xy
— Navneord
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～ (genetics) normal complement of sex hormones in a male
Xylaria polymorpha
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～ the fruiting bodies of the fungi of the genus Xylaria
Xylaria
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～ type genus of Xylariaceae; fungi with perithecia in the upper part of erect black woody stromata
Xylaria mali
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～ fungus causing black root rot in apples
Xylariaceae
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～ family of fungi characterized by dark brown to black spores
xylem
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～ the woody part of plants: the supporting and water-conducting tissue, consisting primarily of tracheids and vessels
xylene
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～ a colorless flammable volatile liquid hydrocarbon used as a solvent
Xylocaine
— Navneord
– Engelsk
～ a local anesthetic (trade names Lidocaine and Xylocaine) used topically on the skin and mucous membranes