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X
X "X" ([e^]ks). X, the twenty-fourth letter of the English alphabet, has three sounds; a compound nonvocal sound (that of ks), as in wax; a compound vocal sound (that of gz), as in More…
X Carolinianum
Prickly "Prick"ly", a. Full of sharp points or prickles; armed or covered with prickles; as, a prickly shrub. (Bot.), a prickly shrub ({Xanthoxylum More…
X hastilis
Botany Bay "Bot"a*ny Bay"" A harbor on the east coast of Australia, and an English convict settlement there; - so called from the number of new plants found on its shore More…
X hispidus
Cabassou "Ca*bas"sou" (k[.a]*b[a^]s"s[=oo]), n. (Zo["o]l.) A species of armadillo of the genus ({X. unicinctus} and {X. hispidus}); the tatouay. [Written also .] More…
X ray
Xiphura "Xi*phu"ra", n. pl. [NL., from Gr. xi`fos sword + ? tail.] (Zo["o]l.) Same as . Called also . . See under .
X ray
. So called from the discoverer, W. C. R["o]ntgen. , the R["o]ntgen ray; - so called by its discoverer because of its enigmatical character, x being an algebraic More…
X rays
Rontgen ray "R["o]ntgen ray" (Physics) Any of the rays produced when cathode rays strike upon surface of a solid (as the wall of the vacuum tube). R["o]ntgen rays are More…
X rays
X rays "X rays", or X-rays "X"-rays`", n. pl. The R["o]ntgen rays; - so called by their discoverer because of their enigmatical character.
X Sabinii
Fork-tailed "Fork"-tailed`", a. (Zo["o]l.) Having the outer tail feathers longer than the median ones; swallow-tailed; - said of many birds. More…
X unicinctus
Cabassou "Ca*bas"sou" (k[.a]*b[a^]s"s[=oo]), n. (Zo["o]l.) A species of armadillo of the genus ({X. unicinctus} and {X. hispidus}); the tatouay. [Written also .] More…
X-ray tube
X-ray tube "X"-ray" tube" (Physics) A vacuum tube suitable for producing R["o]ntgen rays.
X-rays
X rays "X rays", or X-rays "X"-rays`", n. pl. The R["o]ntgen rays; - so called by their discoverer because of their enigmatical character.
Xanthamide
Xanthamide "Xanth*am"ide", n. [Xanthic + amide.] (Chem.) An amido derivative of xanthic acid obtained as a white crystalline substance, {C2H5O.CS.NH2}; - called also More…
Xanthate
Xanthate "Xan"thate", n. [See .] (Chem.) A salt of xanthic; a xanthogenate.
xanthein
Xanthin "Xan"thin", n. [Gr. xanqo`s yellow.] 1. (Physiol. Chem.) A crystalline nitrogenous body closely related to both uric acid and hypoxanthin, present in muscle More…
Xanthelasma
Xanthelasma "Xan`the*las"ma", n. [NL.; Gr. xanqo`s yellow + 'e`lasma a metal plate.] (Med.) See .
xanthelasma
Xanthoma "Xan*tho"ma", n. [NL. See , and .] (Med.) A skin disease marked by the development or irregular yellowish patches upon the skin, especially upon the eyelids; - More…
Xanthian
Xanthian "Xan"thi*an", a. Of or pertaining to Xanthus, an ancient town on Asia Minor; - applied especially to certain marbles found near that place, and now in the British More…
Xanthic
Xanthic "Xan"thic", a. [Gr. xanqo`s yellow: cf. F. xanthique.] 1. Tending toward a yellow color, or to one of those colors, green being excepted, in which yellow is a More…
Xanthic acid
Xanthic "Xan"thic", a. [Gr. xanqo`s yellow: cf. F. xanthique.] 1. Tending toward a yellow color, or to one of those colors, green being excepted, in which yellow is a More…
Webster's 1913 Dictionary University Dictionaries
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