tachyon

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|particle}} A [[hypothetical]] [[particle]] that [[travel]]s faster than the [[speed of light]].
2. {{lb|en|physics}} A flaw in a physical theory that predicts the existence of tachyons or similar [[paradoxical]] results. Compare with [[ghost]].

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