Double Helix Definition
    noun
  
 The characteristic helical structure of the two complementary chains of nucleotides in DNA: the chains are linked by hydrogen bonds and coil around a single axis.
 Webster's New World 
Other Word Forms of Double Helix
Noun
Singular:
 double helixPlural:
 double-helices, double-helixesDouble Helix Is Also Mentioned In
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