idocrase
noun
ido·crase ˈī-də-ˌkrās 
ˈi-,
-ˌkrāz
: a mineral that is a complex silicate especially of calcium, magnesium, iron, and aluminum
Word History
Etymology
French, from Greek eidos form + krasis mixture, from kerannynai to mix — more at crater
First Known Use
1804, in the meaning defined above
- perpetual night
- perpetual succession
- perpetual trust
- perpetualism
- perpetualist
- perpetualistic
- perpetualists
- perpetualities
- perpetuality
- perpetually
- perpetualness
- perpetuals
- perpetuana
- perpetuances
- perpetuate
- perpetuated
- perpetuates
- perpetuating
- perpetuation
- perpetuations
- perpetuator
- perpetuators
- perpetuities
- perpetuity
- perpetuum mobile