Meanings
nounH-DNA (countable and uncountable, plural H-DNAs)
plural H-DNAs
- uncountableA configuration of DNA, a triple-stranded DNA helix structure, right-hand twisting, where the third DNA strand fills in the major groove found in B-DNA, bonding to the B-DNA with Hoogsteen-type bonding, forming Hoogsteen base pairs.
- countableA DNA helix in such a configuration.
Origin
From H + DNA. From containing Hoogsteen-type nucleobase bonding, in addition to Watson-Crick normal style bonding of base pairs.
Full word history & related roots →Cite this entry
APA
H-DNA. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/H-DNA
MLA
“H-DNA.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/H-DNA. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “H-DNA,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/H-DNA.
Source: H-DNA on Wiktionary, CC BY-SA 4.0.