Yes, ROTOGRAVURE is a Scrabble word!

Letter values in Scrabble US: R 1, O 1, T 1, O 1, G 2, R 1, A 1, V 4, U 1, R 1, E 1.

Is it a valid word?

ROTOGRAVURE is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

printing by transferring an image from a photogravure plate to a cylinder in a rotary press
printed material (text and pictures) produced by an intaglio printing process in a rotary press
using photography to produce a plate for printing