|
|
abbr. |
hydraulic clearance optimization (CIRCUIT) |
abbr., astr. |
Harvard College Observatory (Vosoni) |
abbr., avia. |
hangar control officer |
abbr., busin. |
higher clerical officer |
abbr., earth.sc. |
Holocene Climatic Optimum |
abbr., el. |
horizontal control; host connectivity options |
abbr., health. |
Healthcare Community Online |
abbr., law |
Hearing Carry Over |
abbr., mil. |
helicopter control officer |
abbr., mil., avia. |
high current output |
abbr., nautic., scient. |
Head of Contracting Office |
abbr., oil |
heavy cycle oil (Yerkwantai); hydrocarbon oxidizing; hydrogenated castor oil |
abbr., scottish |
Hanger / Helicopter Control Officer |
abbr., st.exch. |
Huntco, Inc. |
abbr., tradem. |
Health Care Organization; Hollister Company; Hubbard Communications Office |
mil. |
head commander; headquarters catalog office; horizontal control operator |
oil, abbr. |
heavy FCC cycle gas oil |