Z-dna

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A configuration of DNA in cells, left-hand twisting double helix, that takes up a zigzagging form due to the natural right-hand twisting tendency of DNA. uncountable
  2. 2
    A DNA helix in such a configuration. countable

Etymology

From Z + DNA. From zigzagging of the zigzag configuration DNA.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.