formylium

F4O1R1M3Y4L1I1U1M3

noun

A positively-charged cation with the formula HCO⁺, related to formaldehyde, aldehydes, and formyl.

Similar
formyl cation
Scrabble 19
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Meanings

nounformylium (uncountable)
  1. uncountableA positively-charged cation with the formula HCO⁺, related to formaldehyde, aldehydes, and formyl.

    Synonyms: formyl cation

Synonyms & antonyms

nounA positively-charged cation with the formula HCO⁺, related to formaldehyde, aldehydes, and formyl.

Similar
formyl cation

Origin

From formyl + -ium.

Full word history & related roots →

Translations

French formylium
  • formyliumTranslations
Cite this entry
APA

formylium. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/formylium

MLA

“formylium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/formylium. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “formylium,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/formylium.

Source: formylium on Wiktionary, CC BY-SA 4.0.