cel·lu·loid
n.
1. A colorless flammable material made from nitrocellulose and camphor and used to make photographic film.
2. a) Motion-picture film: “a strange, anachronistic sight: theater pieces transferred to celluloid” (David Ansen).
b) The cinema; motion pictures: “There are no heroes but in celluloid” (Charles Langbridge Morgan).

adj.
1. Made of or using a material made from nitrocellulose and camphor.
2. Of or portrayed on film or in motion pictures.
3. Artificial; synthetic: a novel with flat, celluloid characters.

[Originally a trademark.]

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tab·loid
n.
A newspaper of small format giving the news in condensed form, usually with illustrated, often sensational material.

adj.
1. In summary form; condensed.
2. Lurid or sensational.

[From tabloid journalism, from Tabloid, trademark for a drug or chemical in condensed form.]