hololith

[ hol-uh-lith, hoh-luh- ]
/ ˈhɒl ə lɪθ, ˈhoʊ lə- /

noun Jewelry.

a ring made from a single piece of stone.

Origin of hololith

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019