[vur-di-ter] 
| either of two pigments, consisting usually of carbonate of copper prepared by grinding either azurite (blue verditer) or malachite (green verditer). |
| ver·di·ter (vûr'dĭ-tər) n. Either of two basic carbonates of copper, used as a blue or green pigment. [Middle English, alteration of Old French verd de terre, green of earth : verd, green; see verdant + de, of; see verdigris + terre, earth (from Latin terra; see ters- in Indo-European roots).] |