Word.ws English Dictionary

B-DNA

B-DNA noun: the default configuration of DNA in cells, right-hand twisting double helix with a significant size difference between major groove and minor groove, and approximately 10 base pairs per twist.

Noun

B-DNA (countable and uncountable, plural B-DNAs)

  1. (uncountable) The default configuration of DNA in cells, right-hand twisting double helix with a significant size difference between major groove and minor groove, and approximately 10 base pairs per twist.
  2. (countable) A DNA helix in such a configuration.

Forms of B-DNA

pluralB-DNAs

Origin of B-DNA

From B + DNA. Coined by Rosalind Franklin, for the second of two forms discovered during her X-ray crystallography experiments on DNA.

Questions about B-DNA

What does B-DNA mean?
B-DNA means the default configuration of DNA in cells, right-hand twisting double helix with a significant size difference between major groove and minor groove, and approximately 10 base pairs per twist.
What part of speech is B-DNA?
B-DNA is a noun.
What is the plural of B-DNA?
The plural of B-DNA is B-DNAs.

Words near B-DNA in the dictionary

  1. B-cells
  2. B-cupper
  3. B-cuppers
  4. b-day
  5. b-days
  6. B-DNA
  7. B-double
  8. B-doubles
  9. B-drink
  10. B-drinker
  11. B-drinkers

Source and license

Adapted from Wiktionary: B-DNA (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “B-DNA.” Word.ws, https://word.ws/b-dna. Based on Wiktionary, CC BY-SA 4.0.