eka-

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Prefix

1. {{lb|en|chemistry}} {{n-g|Used to form [[prototype]] names for as-yet [[undiscovered]] [[element]]s, when prepended to the known element above them in the same group of the [[periodic table]].}}

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