x ray : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: x ray	by the DICT Development Group
3 results for x ray
From WordNet (r) 3.0 (2006) [wn]:
X ray n electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target Synonym(s): X ray, X-ray, X-radiation, roentgen ray a radiogram made by exposing photographic film to X rays; used in medical diagnosis Synonym(s): roentgenogram, X ray, X-ray, X-ray picture, X-ray photograph
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
d8Xiphura \[d8]Xi*phu"ra\, n. pl. [NL., from Gr. xi`fos sword + [?] tail.] (Zo[94]l.) Same as {Limuloidea}. Called also {Xiphosura}. {X ray}. See under {Ray}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
. So called from the discoverer, W. C. R[94]ntgen. {X ray}, the R[94]ntgen ray; -- so called by its discoverer because of its enigmatical character, x being an algebraic symbol for an unknown quantity.