opal
opal
noun \ˈō-pəl\Definition of OPAL
: a usually amorphous mineral that is a hydrated silica softer and less dense than quartz and typically with definite and often marked iridescent play of colors and is used especially as a gem
See Origin of OPAL
Latin opalus, from Greek opallios, ultimately from Sanskrit upala stone, jewel
First Known Use: circa 1586
Learn More About OPAL
Browse
Seen & Heard 
What made you want to look up opal? Please tell us where you read or heard it (including the quote, if possible).
