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WordNet-Online 
 
Noun pterospermum has 1 sense 
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| pteropogon pteropogon humboltianum pteropsida pteropus pteropus capestratus pteropus hypomelanus pterosaur pterosauria pterospermum pterospermum acerifolium pterostylis pteroylglutamic acid pteroylmonoglutamic acid pterygeium pterygium pterygoid pterygoid muscle 
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