OH

proper noun

1. 1

   Variant of OhioAbbreviation of Ohio: a state of the United States.

noun

1. 1

   Variant of other halfInitialism of other half: a husband, wife, partner, etc.

2. 2

   Variant of observation helicopterInitialism of observation helicopter.

3. 3

   Variant of overheardInitialism of overheard; a post whose contents were overheard by its author.

   OH: "We should just burn the whole place down"

noun

1. 1

   Variant of office hoursInitialism of office hours.

symbol

1. 1

   A hydroxyl, or alcohol, functional group.

2. 2

   A hydroxide radical, or hydroxyl group.

Forms

plural

OHs