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WordNet-Online 
 Definitions from WordNet
Adjective pyrotechnical has 1 sense 
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| pyrophorus noctiluca pyrophosphate pyrophosphoric acid pyrophyllite pyroscope pyrosis pyrostat pyrotechnic pyrotechnical pyrotechnics pyrotechny pyrothecnic pyroxene pyroxylin pyroxyline pyrrhic pyrrhic foot 
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