roughing pump

Fetched 2026-10-26 (cache).

Synonyms: roughing up

Antonyms: roughing up

Related words from Datamuse; suggestions, not definitions.

Noun

1. A type of [[vacuum pump]] that is used to achieve [[rough vacuum]] from initial [[atmospheric]] pressure.

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