tourmaline

/ˈtʊərməlaɪn/

Definitions

1. noun

a complex silicate mineral that occurs in a wide range of colors, often used as a gemstone.

“The antique ring was a vibrant tourmaline, surrounded by intricate filigree.”

2. noun

a type of optical component that bends light, used in optics and spectroscopy.

“Tourmaline was used to create a highly accurate prism in the laboratory experiment.”

3. verb

to make something sparkle or shine, especially with a gemstone.

“The jeweler toured the gemstones to find the perfect tourmaline for the necklace.”

Synonyms

  • crystal
  • gemstone

Antonyms

  • dull
  • opaque