euclase
noun
eu·clase ˈyü-ˌklās 
-ˌklāz
: a mineral that consists of a brittle silicate of beryllium and aluminum in pale yellow, green, or blue prismatic crystals and is used especially as a gemstone
Word History
Etymology
French, from eu- (from Latin) + Greek klasis breaking, from klan to break
First Known Use
1804, in the meaning defined above
- mercury
- mercury arc
- mercury chloride
- mercury cyanide
- mercury fulminate
- mercury glass
- mercury iodide
- Mercury line
- mercury oxide
- mercury red
- mercury sulfide
- mercury switch
- mercury thiocyanate
- mercury weed
- Mercury's staff
- mercury-arc lamp
- mercury-arc rectifier
- mercury-vapor lamp
- mercy
- mercy killing
- mercy killings
- mercy seat
- merd
- merde
- merdes