HCO

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HCO

proper noun

abbreviation, initialism Initialism of Harvard College Observatory

noun

abbreviation, initialism Initialism of hearing carryover, a service or device that allows speech-disabled users with hearing to listen to the person they are calling.

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MLA

"HCO." Wiktionary, via Micwyn, micwyn.com/word/hco. Accessed 6 Nov. 2026.

APA

HCO. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/hco

Chicago

"HCO." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/hco.

BibTeX

@misc{hco_2026,
  title = {HCO},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/hco},
  urldate = {2026-11-06}
}