double helix

1. 1.

   a pair of parallel helices intertwined about a common axis

   “the shape of the DNA molecule is a double helix”

   Broaderhelix

Questions about double helix

What does double helix mean?

double helix means "a pair of parallel helices intertwined about a common axis".

Is double helix a common word?

double helix is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.