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spirituous
spirketting
spiro- (1)
spiro- (2)
spiro compound
spirochete
spirochetosis
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spirogyra
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spironolactone
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spirogyra
spi·ro·gy·ra [ sprə jrə ] (plural spi·ro·gy·ras)


noun 
Definition:
 
freshwater alga: a multicellular freshwater green alga. Genus Spirogyra.
[Late 19th century. < modern Latin< Latin spira (see spire2) + Greek guros "round"]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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