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Pyroclastic
noun
Word Frequency:
0.2
Definitions
1.
noun
A rock mostly composed of rock fragments of volcanic origin
2.
adjective
Mostly composed of rock fragments of volcanic origin or comminuted during an eruption.
Synonyms
subaqueous
volcanoclastic
volcaniclastic
pyrometamorphic
clastic
vitroclastic
fragmentary
subvolcanic
glomeroporphyritic
platy
porphyritic
pyromorphous
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