follow Dictionary.com

What is the X in X-mas?

isopyre

[ahy-suh-pahyuh r] /ˈaɪ səˌpaɪər/
noun, Mineralogy
1.
an impure variety of opal, containing alumina, lime, and iron sesquioxide.
Origin
1820-1830
1820-30; iso- + Greek pŷr fire
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source

Word of the Day

Difficulty index for isopyre

Few English speakers likely know this word

Word Value for isopyre

0
0
Scrabble Words With Friends