Share this entry
periclase Line breaks: peri|clase
Pronunciation: /ˈpɛrɪkleɪz/

Definition of periclase in English:


[mass noun]
A colourless mineral consisting of magnesium oxide, occurring chiefly in marble and limestone.


Mid 19th century: from modern Latin periclasia, erroneously from Greek peri 'utterly' + klasis 'breaking' (because it cleaves perfectly).

Definition of periclase in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources