Longman Dictionary of Contemporary English homepage

Date: 1200-1300
Language: Old French
Origin: emeraude, from Latin smaragdus

emerald

 noun
     
emerald
Related topics: Jewellery
em‧e‧rald
1DCJ [countable] a valuable bright green stone that is often used in jewellery
2 [uncountable] a bright green colour
—emerald adjective
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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