Reference meaning
HRE
Last updated
Abbreviation of hardness on Rockwell scale E.
Other meanings
2. proper noun
Initialism of Holy Roman Empire.
Source and scope
This definition is reproduced from English Wiktionary, sense en-HRE-en-noun-OkkHx~gf, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.