noun a gemstone having the property of transmitting light without serious diffusion
noun a clear quartz used in making electronic and optical equipment
noun a material having the property of admitting light diffusely; a partly transparent material
Sharpen your Skills with the Masters
"Rowling never met an adverb she didn't like."
-Stephen King on J.K Rowling's excessive use of adverbs.
Fear not the Adverb Hell!