Search Result for "double helix":
Wordnet 3.0

NOUN (1)

1. a pair of parallel helices intertwined about a common axis;
- Example: "the shape of the DNA molecule is a double helix"



WordNet (r) 3.0 (2006):

double helix
    n 1: a pair of parallel helices intertwined about a common axis;
         "the shape of the DNA molecule is a double helix"