OH - What does it mean?
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Definition of 'OH'English
Abbreviation
(Abbreviation)
(head)
(US) Ohio, a state of the United States of America.
(organic chemistry) Symbol for a hydroxyl, or alcohol, functional group.
(inorganic chemistry) Symbol for a hydroxide radical, or hydroxyl group.
(US|army|aviation) Prefix code for observation helicopter designations.
(Internet slang) Other half, i.e., husband, wife, partner, etc.
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