411 REFERENCE · Wiktionary
4H
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
4-H
English
Noun
- s
en British English A grade of pencil with lead that makes lighter marks than a pencil grade 3H but darker marks than a pencil of grade 5H; a pencil with very hard lead.
A pencil of grade 4H.
See also
en 4-H Club 4H disease