| / English Dictionary |
PLAGIOCLASE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Any of a series of triclinic feldspars that form rocks
Synonyms:
oligoclase; plagioclase
Classified under:
Hypernyms ("plagioclase" is a kind of...):
feldspar; felspar (any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium)
Hyponyms (each of the following is a kind of "plagioclase"):
albite; white feldspar (a widely distributed feldspar that forms rocks)
anorthite (rare plagioclastic feldspar occurring in many igneous rocks)
Holonyms ("plagioclase" is a substance of...):
dacite (a grey volcanic rock containing plagioclase and quartz and other crystalline minerals)
basalt (the commonest type of solidified lava; a dense dark grey fine-grained igneous rock that is composed chiefly of plagioclase feldspar and pyroxene)
Derivation:
plagioclastic (of or relating to plagioclase)
YOU MAY ALSO LIKE
