X ray
         n 1: electromagnetic radiation of short wavelength produced when
               high-speed electrons strike a solid target [syn: {X ray},
               {X-ray}, {X-radiation}, {roentgen ray}]
         2: a radiogram made by exposing photographic film to X rays;
            used in medical diagnosis [syn: {roentgenogram}, {X ray},
            {X-ray}, {X-ray picture}, {X-ray photograph}]

English Dictionary: X-ray	by the DICT Development Group
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 v examine by taking x-rays take an x-ray of something or somebody; "The doctor x-rayed my chest"
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.
From Jargon File (4.2.0, 31 JAN 2000) [jargon]:
xor /X'or/, /kzor/ conj.   Exclusive or.   `A xor B' means `A or    B, but not both'.   "I want to get cherry pie xor a banana split."    This derives from the technical use of the term as a function on    truth-values that is true if exactly one of its two arguments is    true.
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
X11R4          Version 11 release 4 of the X protocol.   See {X Window       System}.
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
X11R5          Version 11 release 5 of the X protocol.   Released in June       1994.   See {X Window System}.
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
X11R6          Version 11 release 6 of the {X Window       System}.          [Release date?]          (1995-01-20)
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
xor          /X'or/, /kzor/ Exclusive or.   "A xor B" means "A or B, but not       both".   The {truth table} is          A | B | A xor B       --+---+--------       F | F |      F       F | T |      T       T | F |      T       T | T |      F          [{Jargon File}]          (1994-12-01)