Meanings
nounphosphonous acid (plural phosphonous acids)
plural phosphonous acids
- chemistrythe acid HP(OH)₂, or any of its P-hydrocarbyl derivatives
Cite this entry
APA
phosphonous acid. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/phosphonous%20acid
MLA
“phosphonous acid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phosphonous%20acid. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “phosphonous acid,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/phosphonous%20acid.
Source: phosphonous acid on Wiktionary, CC BY-SA 4.0.