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English dictionary
Info: This web site is based on WordNet 3.0 from Princeton University.
English
noun
:
platinum black
1.
platinum black
(substance)
a fine black powder of platinum; used as a catalyst in chemical reactions
Broader (hypernym)
accelerator
,
catalyst
Based on WordNet 3.0 copyright © Princeton University.
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Orcapia v/Per Bang
. English edition:
Peter Jensen
.
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