Word.ws English Dictionary

HCO

HCO is the initialism of Harvard College Observatory.

HCO is the initialism of hearing carryover.

Questions about HCO

What is HCO the initialism of?
HCO is the initialism of Harvard College Observatory.

Words near HCO in the dictionary

  1. HCMC
  2. HCMs
  3. HCN
  4. HCNO
  5. HCNs
  6. HCO
  7. HCOL
  8. hcp
  9. HCPs
  10. HCQ
  11. HCQS

Source and license

Adapted from Wiktionary: HCO (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.

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