look-down

[ loo k-doun ]
/ ˈlʊkˌdaʊn /

noun

the appearance of paper when inspected under reflected light.
Compare look-through.

British Dictionary definitions for look down

look down

verb

(intr, adverb; foll by on or upon) to express or show contempt or disdain (for)
look down one's nose at informal to be contemptuous or disdainful of