Meanings
nounÉtard reaction (plural Étard reactions)
plural Étard reactions
- A chemical reaction that involves the direct oxidation of an aromatic or heterocyclic bound methyl group to an aldehyde using chromyl chloride.
Origin
Named for the French chemist Alexandre Léon Étard (1852–1910).
Full word history & related roots →Cite this entry
APA
Étard reaction. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/%C3%89tard%20reaction
MLA
“Étard reaction.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/%C3%89tard%20reaction. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “Étard reaction,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/%C3%89tard%20reaction.
Source: Étard reaction on Wiktionary, CC BY-SA 4.0.