2H
English
editNoun
edit2H (usually uncountable, plural 2Hs)
- (British English) A grade of pencil with lead that makes lighter marks than a pencil grade H but darker marks than a pencil of grade 3H; a pencil with hard lead.
- A pencil of grade 2H.
- deuterium. In this case, the "2" should be superscripted: 2H.