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porphyroid
释义
WordReference Random House Unabridged Dictionary of American English © 2024
por•phy•roid
(pôr
′
fə roid′),
USA pronunciation
n.
Rocks
a rock resembling porphyry.
Rocks
a sedimentary rock that has been metamorphosed so as to leave some original crystals in a fine-textured, layered matrix.
porphyr
(
y
) + -
oid
1790–1800
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更新时间:2025/9/22 1:50:24