| 释义 |
pla·gi·o·clase
\ˈplājēəˌklās\ noun
(-s)
Etymology: International Scientific Vocabulary plagi- + -clase; originally formed as German plagioklas
: a triclinic feldspar; especially : one of the calcium-sodium series comprising anorthite and albite and the intermediate bytownite, labradorite, andesine, and oligoclase — see moonstone |