helix : Idioms & Phrases
double helix
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noun a pair of parallel helices intertwined about a common axis
- the shape of the DNA molecule is a double helix
WordNet
genus helix
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noun type genus of the family Helicidae
Helix.
WordNet
hedera helix
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noun Old World vine with lobed evergreen leaves and black berrylike fruits
English ivy; ivy; common ivy.
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helix angle
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noun the constant angle at which a helix cuts the elements of a cylinder or cone
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helix aspersa
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noun serious garden pest having a brown shell with paler zigzag markings; nearly cosmopolitan in distribution
brown snail.
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helix hortensis
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noun a kind of garden snail
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helix pomatia
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noun one of the chief edible snails
edible snail.