Definition of "helicoidal" []

• Helicoid (adjective)

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• "• Trickum Middle School student Ayesha Murshed, eliminated on "helicoidal""
• "The clear quadrangular 400W WT model has a power output of 400W and the helicoidal 1KW WT one will be able to generate 1 KW of power."
• "In this case the production of light is chiefly due to the fact that calorific condensation, caused by the use of the helicoidal coil surrounding the curved wire, prevents loss of heat in this conductor."