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Definitions

vacuum

[vak-yoom, -yoo-uhm, -yuhm] / ˈvæk yum, -yu əm, -yəm /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Keeping super-cold liquid oxygen and methane stable in the vacuum of space, then transferring them between spacecraft, is one of the most demanding engineering challenges in the programme.

From BBC • Apr. 10, 2026

Pasqal’s quantum systems use neutral atom technology, in which individual atoms are trapped and manipulated in a vacuum by laser beams.

From Barron's • Apr. 8, 2026

“When leaders clearly make the case grounded in freedom, safety and dignity, voters respond. But when they hedge, it creates a vacuum that bad actors fill.”

From Salon • Apr. 5, 2026

Participants need a safeguard in this regulatory vacuum, and plan sponsors need a fiduciary firewall.

From The Wall Street Journal • Mar. 27, 2026

According to Millis, astronauts might harness the energy in the vacuum to push a spaceship, just as mariners harnessed the wind to drive a frigate.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife




Vocabulary lists containing vacuum