x-ray film(n = noun.artifact) - photographic film used to make X-ray pictures;
is a kind of film, photographic film
has particulars: bitewing
cling film, collage film, documentary film, feature film, film, film advance, film clip, film company, film director, film editing, film fern, film festival, film industry, film maker, film making, film over, film producer, film projector, film star, film writer, motion-picture film, movie film, orthochromatic film, panchromatic film, photographic film, pilot film, plastic film, roll film, silent film, soap film, sound film, stag film, x-ray, x-ray astronomy, x-ray diffraction, x-ray machine, x-ray photograph, x-ray photography, x-ray picture, x-ray therapy, x-ray tube