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double helix

noun

Simple Definition of double helix

  • : the shape formed by two parallel lines that twist around each other

Source: Merriam-Webster's Learner's Dictionary

Full Definition of double helix

  1. :  a helix or spiral consisting of two strands in the surface of a cylinder that coil around its axis; especially :  the structural arrangement of DNA in space that consists of paired polynucleotide strands stabilized by cross-links between purine and pyrimidine bases — compare alpha-helix, watson-crick model

double–helical

play \-ˈhe-li-kəl, -ˈhē-\ adjective

1954

First Known Use of double helix

1954


Medical Dictionary

double helix

noun

Medical Definition of double helix

  1. :  a helix or spiral consisting of two strands in the surface of a cylinder that coil around its axis; especially :  the structural arrangement of DNA in space that consists of paired polynucleotide strands stabilized by cross-links between purine and pyrimidine bases—compare alpha-helix, watson-crick model

double–helical

\-ˈhel-i-kəl, -ˈhē-li-\play play adjective


Illustration of double helix


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