X Chromosome is the sex chromosome that
is present in both sexes: singly in males and doubly in females.
is an electromagnetic radiation of short wavelength produced when
high-speed electrons strike a solid target. A radiogram made by exposing
photographic film to X rays; used in medical diagnosis.
X-Axis is the horizontal axis in a plane
Xenon is a
colorless odorless inert gaseous element occurring in the earth's
atmosphere in trace amounts.
Xanadu is an
idyllic, beautiful place (usually imagined).
Xylopia is a tropical evergreen trees or
shrubs; chiefly African.
pertaining to hospitality or relations with friendly visitors. (Zenila).
Xenophobia is a perceived fear of
foreigners or strangers.
is an abnormal dryness of the conjunctiva and cornea of the eyes; may be
due to a systemic deficiency of vitamin A.
Xenotransplant is a surgical procedure in which tissue or whole
organs are transferred from one species to another species.
Xerox is a copy made by a xerographic printer or to reproduce by
Xerography is forming an
image by the action of light on a specially coated charged plate; the
latent image is developed with powders that adhere only to electrically
radiography using X-rays and xerographic (rather than roentgenographic)
slender-bodied Mexican lizards having the upper surface covered with tiny
granules and tubercles. A type and sole genus of Xenosauridae.
Xenia is the
immediate influence of pollen from one strain of a plant upon the
endosperm of another strain, resulting in hybrid characters in the form,
color, etc. of the resulting growth, as in the colors of corn grains.
Xenobiotic is a substance found in an
organism that is not normally produced or expected to be present in it.
Xenogeneic is denoting or relating to
cells or tissues from individuals belonging to different species.
Xenogenesis is the alternation of two or
more different forms in the life cycle of a plant or animal.
Xeric is being deficient in moisture.
X is the cardinal number that is the
sum of nine and one (10); the base of the
A a B
b C c D d E e F f G g H h I i J
j K k L l M m
N n O o P p Q q R
S s T t U u V v W w X x Y y Z z