rxr

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{abbreviation of|en|retinoid X receptor}}.
2. {{abbreviation of|en|railroad,railway,rail-line,[[rail]] [[crossing]]}}: a [[level crossing]].

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