Word.ws English Dictionary

formylium

formylium noun: a positively-charged cation with the formula HCO⁺, related to formaldehyde, aldehydes, and formyl.

formylium: a positively-charged cation with the formula HCO⁺, related to formaldehyde, aldehydes, and formyl
Image: Ben Mills, Public domain, via Wikimedia Commons

Noun

formylium (uncountable)

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

Synonyms of formylium

  • formyl cation

Origin of formylium

From formyl + -ium.

Questions about formylium

What does formylium mean?
Formylium means a positively-charged cation with the formula HCO⁺, related to formaldehyde, aldehydes, and formyl.
What part of speech is formylium?
Formylium is a noun.

Words near formylium in the dictionary

  1. formylating
  2. formylation
  3. formylations
  4. formylglutathione
  5. formylglycinamidine
  6. formylium
  7. formylkynurenine
  8. formylmethanofuran
  9. formylmethionine
  10. formylmethionyl
  11. formylmethionyls

Source and license

Adapted from Wiktionary: formylium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “formylium.” Word.ws, https://word.ws/formylium. Based on Wiktionary, CC BY-SA 4.0.