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helico-

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  1. a combining form meaning “spiral”; used with this meaning and as a combining form of helix in the formation of compound words: helicograph.
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Also especially before a vowel, helic-.

Origin of helico-

< Greek heliko-, combining form of hélix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for helico-

helico-

before a vowel helic-

combining form
  1. spiral or helicalhelicograph
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Word Origin

from Latin, from Greek helix spiral
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012