| 释义 |
peri·clase
\ˈperəˌklās, -āz\ noun
or peri·cla·site \ˌperəˈklā]ˌsīt, pəˈriklə], ]ˌzīt\
(-s)
Etymology: periclase from German periklas, modification of Italian periclasia, from Greek periklasis act of twisting or breaking around (from periklan to twist around, break around — from peri- + klan to break — + -sis) + -ia -y (from Latin); periclasite from periclase + -ite — more at halt (lame)
: native magnesia MgO in granular forms or isometric crystals (hardness 6, specific gravity 3.67-3.90) |