helicoid - Dictionary definition and pronunciation - Yahoo! Education

Definition of helicoid

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hel·i·coid  audio  (hl-koid, hl-) KEY 

ADJECTIVE:
Arranged in or having the approximate shape of a flattened coil or spiral.
NOUN:
Mathematics
A surface in the form of a coil or screw.
ETYMOLOGY:
Greek helikoeids : helix, helik-, spiral ; see helix + -oeids, -oid


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