Pierre précieuse.
ETYM Old Eng. emeraude, Old Fren. esmeraude, esmeralde, French émeraude, Latin smaragdus, from Greek.
1. A green transparent form of beryl; highly valued as a gemstone.
2. A transparent piece of emerald that has been cut and polished and is valued as a precious gem.
3. The green color of an emerald.
A clear, green gemstone variety of the mineral beryl. It occurs naturally in Colombia, the Ural Mountains, in Russia, Zimbabwe, and Australia.
De couleur vert émeraude.