double helix

noun Biochemistry, Genetics.

the spiral arrangement of the two complementary strands of DNA.

Origin of double helix

First recorded in 1953; term introduced by J.D. Watson and F.H.C. Crick

Words nearby double helix

double glazing, double Gloucester, double harness, doubleheader, double-helical gear, double helix, double hitch, double-hung, double in brass, double indemnity, double integral

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for double helix

double helix

noun

biochem the form of the molecular structure of DNA, consisting of two helical polynucleotide chains linked by hydrogen bonds and coiled around the same axis

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for double helix

double helix

[ (hee-liks) ]

The shape taken by the DNA molecule. A helix is a three-dimensional spiral, like the shape of a spring or the railing on a spiral staircase. A DNA molecule consists of two helixes intertwined.

Medical definitions for double helix

double helix

n.

The coiled structure of a double-stranded DNA molecule in which strands linked by hydrogen bonds form a spiral configuration.DNA helix Watson-Crick helix

Scientific definitions for double helix

double helix

The three-dimensional structure of double-stranded DNA, in which polymeric nucleotide strands whose complementary nitrogen bases are linked by hydrogen bonds form a helical configuration. The two DNA strands are oriented in opposite directions.

单词	double helix
释义	double helix noun Biochemistry, Genetics. the spiral arrangement of the two complementary strands of DNA. Origin of double helix First recorded in 1953; term introduced by J.D. Watson and F.H.C. Crick Words nearby double helix double glazing, double Gloucester, double harness, doubleheader, double-helical gear, double helix, double hitch, double-hung, double in brass, double indemnity, double integral Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for double helix double helix noun biochem the form of the molecular structure of DNA, consisting of two helical polynucleotide chains linked by hydrogen bonds and coiled around the same axis Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for double helix double helix [ (hee-liks) ] The shape taken by the DNA molecule. A helix is a three-dimensional spiral, like the shape of a spring or the railing on a spiral staircase. A DNA molecule consists of two helixes intertwined. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for double helix double helix n. The coiled structure of a double-stranded DNA molecule in which strands linked by hydrogen bonds form a spiral configuration.DNA helix Watson-Crick helix The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for double helix double helix The three-dimensional structure of double-stranded DNA, in which polymeric nucleotide strands whose complementary nitrogen bases are linked by hydrogen bonds form a helical configuration. The two DNA strands are oriented in opposite directions. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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