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spiroid

[spahy-roid] /ˈspaɪ rɔɪd/
adjective
1.
more or less spiral; resembling a spiral.
Origin
1840-1850
1840-50; < Neo-Latin spīroīdēs < Greek speiroeidḗs. See spiro-2, -oid
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for spiroid

spiroid

/ˈspaɪrɔɪd/
adjective
1.
resembling a spiral or displaying a spiral form
Word Origin
C19: from New Latin spīroīdēs, from Greek speiroeidēs, from speira a coil
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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10
11
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