abbr. for heavy cycle oil

Petroleum refining glossary. 2013.

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  • HCO — may stand for: * Harvard College Observatory, an astronomical research organization * Hearing Carry Over, a type of Telecommunications Relay Service * Hubbard Communications Office, an organization in the Church of Scientology, formerly located… …   Wikipedia

  • HCO — Haltérophilie Club Oyonnax L Haltérophilie Club Oyonnax, ou HCO, est un club d haltérophilie français fondé en 1951 évoluant actuellement en Championnat de France National 2. Le club, basé à Oyonnax, est présidé depuis juin 1993 par Tony Beltran …   Wikipédia en Français

  • HCO — Formyl For myl, n. [Formic + yl.] (Chem.) (a) A univalent radical, {H.C:O}, regarded as the essential residue of formic acid and aldehyde. (b) Formerly, the radical methyl, {CH3}. [1913 Webster] …   The Collaborative International Dictionary of English

  • HCO — helicopter control officer …   Military dictionary

  • HCO — Hearing Carry Over (Community » Law) * Hubbard Communications Office (Business » Firms) * Health Care Organization (Business » Firms) * Hollister Company (Business » Firms) * Huntco, Inc. (Business » NYSE Symbols) * Head of Contracting Office… …   Abbreviations dictionary

  • HCO — health care organization …   Medical dictionary

  • HCO — Hydrocarbon Oils Petroleum oil, coal tar and oil produced from coal, shale, peat or other bituminous substance, and all liquid hydrocarbons. Does not include such hydrocarbons or bituminous or asphaltic substances as are:( a) solid or semi solid… …   Financial and business terms

  • HCO — abbr. astr. Harvard College Observatory …   Dictionary of English abbreviation

  • HCO — abbr. Harvard College Observatory …   Dictionary of abbreviations

  • HCO — • health care organization …   Dictionary of medical acronyms & abbreviations

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