ultravacuum

English

Etymology

ultra- +‎ vacuum

Noun

ultravacuum (plural ultravacuums or ultravacua)

  1. A near-perfect vacuum; i.e. an almost or fully complete absence of matter, especially a gas at very low pressure.
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.