(of a motion picture) having a rating of x; intended for adults only.
obscene, s-xually explicit, or vulgar:
x-rated language; x-rated magazines.
(formerly, in britain) (of a film) considered suitable for viewing by adults only
(informal) involving bad language, violence, or s-x: an x-rated conversation
s-xually explicit, vulgar, or obscene, as in this film should be x-rated; it’s not suitable for children. this expression alludes to a rating system established for motion pictures, in which films rated x may not be viewed by persons under the age of 17. [ c. 1970 ]
physics. often, x-rays. a form of electromagnetic radiation, similar to light but of shorter wavelength and capable of penetrating solids and of ionizing gases. such radiation having wavelengths in the range of approximately 0.1–10 nm. a radiograph made by x-rays. (initial capital letter) a word in communications to represent the letter x. to examine, photograph, […]
xrf x-ray fluorescence
xrt x-ray therapy
xscheme language scheme in c with object-oriented extensions by david betz. version 0.28 runs on ibm pc, macintosh, atari and amiga. (ftp://labrea.stanford.edu/comp.sources.amiga/volume90). (ftp://nexus.yorku.ca/pub/scheme/). usenet newsgroup: news:comp.lang.lisp.x. (1992-02-02)