greenstone
|green-stone|
B2
🇺🇸
/ˈɡriːnˌstoʊn/
🇬🇧
/ˈɡriːnˌstəʊn/
green metamorphic rock
Etymology
Etymology Information
'greenstone' originates from the English words 'green' and 'stone', where 'green' refers to the color and 'stone' refers to the rock material.
Historical Evolution
'greenstone' has been used in English since the 19th century to describe certain green-colored rocks.
Meaning Changes
Initially, it referred to any green-colored stone, but over time it has come to specifically denote certain types of metamorphic rocks.
Meanings by Part of Speech
Last updated: 2025/05/13 22:26