[ahy-vuh-ree-tahyp, ahy-vree-]

noun Photography.

an antiquated photoprinting technique in which two prints are made of the same image, and the weaker one, made transparent with varnish and colored on the back, is laid over the stronger one.

Origin of ivorytype

An Americanism dating back to 1855–60; ivory + -type
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019