hesperium

Fetched 2026-10-26 (cache).

Synonyms: hesperian, hesperid, hesperia, hesperus, hesperidium, hesperis, hesperiid

Antonyms: hesperian, hesperid, hesperia, hesperus, hesperidium, hesperis, hesperiid

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|obsolete}} {{non-gloss|A rejected name for}} [[plutonium]]. (Esperium chemical symbol: <code>[[Es]]</code>)

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