Definitions

1. noun

a blue-green mineral of copper and aluminium, occurring in veins and used as a gemstone.

“The turquoise ring sparkled on her finger.”

2. adjective

having or relating to a blue-green colour, especially one that resembles the colour of this mineral.

“The turquoise waters of the Caribbean Sea were breathtakingly beautiful.”

3. verb

to dye or colour something a blue-green colour.

“The fabric was turquoise-dyed to create a unique effect.”