hre

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|materials science}} {{abbr of|en|[[hardness]] on [[Rockwell scale]] E}}.

Proper noun

1. {{initialism of|en|Holy Roman Empire}}.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.