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单词
tridymite
释义
WordReference Random House Unabridged Dictionary of American English © 2024
trid•y•mite
(trid
′
ə mīt′),
USA pronunciation
n.
[
Mineral.
]
a polymorph of quartz occurring in the form of small crystals, commonly twinned, in siliceous volcanic rocks.
German
Tridymit,
equivalent. to
tridym-
(Greek
trídym
(
os
) triple, equivalent. to
tri-
tri
- + (
dí
)
dymos
didymous
) +
-it
-
ite
1
1865–70
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更新时间:2025/9/21 17:12:20