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Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. A [[measurement]] performed on motor vehicles, required by the [[DMV]], to prevent issuing valid registration if an excessive amount of waste fumes are produced during typical use. [[car|Cars]] typically are placed on a [[dynamometer]] to simulate different driving speeds.

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