look-through

[ loo k-throo ]
/ ˈlʊkˌθru /

noun

the opacity and texture of paper when inspected by transmitted light.
Compare look-down.

Origin of look-through

First recorded in 1935–40
Also called see-through.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019