turquoise Definition

turquoise
noun

1. An opaque semi-precious stone that comes in varying shades of light blue or greenish blue and which consists of hydrated copper aluminium phosphate. It is valued as a gemstone and ornamental material.
2a. The greenish blue colour of this stone;


Example: a turquoise bathroom suite

Etymology: 14c: from French pierre turquoise Turkish stone; so called because it was first brought to Europe from Persia through Turkey or Turkestan.