the form of the molecular structure of DNA, consisting of two helical polynucleotide chains linked by hydrogen bonds and coiled around the same axis
double helix in American English
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
Examples of 'double helix' in a sentence
double helix
(We are all of us, poor humankind, trapped in this double helix of deceit.