vacuum
Language: English
Part of speech: noun
Pronunciation: ipa: /ˈvæ.kjuːm/
ipa: /ˈvæ.kjuː.əm/
Forms: form: vacuums
form: vacua
form: vacuüm
Etymology: Borrowed from New Latin vacuum (“vacuum”), a subsense of Classical Latin vacuum (“empty space”), a substantivised form of vacuus (“empty”); related to vacāre (“to be empty”).
Senses: examples: text: The Wards are open-topped, with skyscrapers rising from the superstructure. Towers are sealed against vacuum, as the breathable atmosphere envelope is only maintained to a height of about seven meters. The atmosphere is contained by the centrifugal force of rotation and a "membrane" of dense, colorless sulphur hexafluoride gas, held in place by carefully managed mass effect fields.
ref: 2008, BioWare, Mass Effect (Science Fiction), Redwood City: Electronic Arts, →ISBN, →OCLC, PC, scene: Citadel Station: Wards Codex entry:
synonyms: vacancy
void
antonyms: plenum
glosses: A region of space that contains no matter.
examples: text: a vacuum of 26 inches of mercury, or 13 pounds per square inch
glosses: The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, such as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.
synonyms: word: hoover
qualifier: only pluralized as "vacuums"
glosses: Ellipsis of vacuum cleaner.
topics: natural-sciences
physical-sciences
physics
glosses: A spacetime having tensors of zero magnitude.
examples: text: Henrietta soon found a terrible vacuum left, by the letters in which she used to pour forth every feeling and thought to her uncle.
ref: 1837, L[etitia] E[lizabeth] L[andon], Ethel Churchill: Or, The Two Brides. […], volume III, London: Henry Colburn, […], →OCLC, pages 82–83:
glosses: An emptiness in life created by a loss of a person who was close, or of an occupation.
examples: text: Abs show up in a most-muscular shot, a vacuum shot, the hands-behind-head compulsory ab shot, twisting poses, and so on.
ref: 1985, Arnold Schwarzenegger, Encyclopedia of Modern Bodybuilding, New York, N.Y.: Simon & Schuster, →ISBN, page 508:
text: Right I'm off to practice my vacuum - suck in those stomachs now!
ref: 1997 January 6, John, “I'm 14; How do I start bodybuilding?”, in misc.fitness.weights (Usenet):
text: When I do the 'gut vacuum' exercise the abdominal wall seems to return to normal size, as far as I can tell under the flab.
ref: 2010 January 7, Silent Stone, “Want to start, have a few questions for now.”, in misc.fitness.weights (Usenet):
text: Blessed with round muscle bellies and a phenomenal structure, he also performed a vacuum pose on stage.
ref: 2022 October 10, Aaromal Maanas, “2022 Tsunami Nutrition Pro Results and Recap”, in Sportskeeda, archived from the original on 23 Oct 2022:
glosses: An exercise in which one draws their abdomen towards the spine.
Derived terms: abdominal vacuum
bee vacuum
central vacuum
double Kerr vacuum
electrovacuum
false vacuum
high vacuum
in a vacuum
intervacuum
Kerns-Wild vacuum
Kerr vacuum
Khan-Penrose vacuum
legal vacuum
nonvacuum
Oszváth-Schücking vacuum
partial vacuum
political vacuum
power vacuum
quasivacuum
rough vacuum
Schwarzschild vacuum
stomach vacuum
Taub-NUT vacuum
thermal-vacuum
Torricellian vacuum
ultravacuum
vacuumable
vacuum activity
vacuum airship
vacuum aspiration
vacuum bag
vacuum balloon
vacuum bed
vacuum bomb
vacuum bottle
vacuum brake
vacuum bubble
vacuum catastrophe
vacuum-clean
vacuum-cleaned
vacuum cleaner
vacuum decay
vacuum desiccator
vacuum distillation
vacuum energy
vacuumer
vacuum exercise
vacuum flask
vacuum fluorescent display
vacuum gauge
vacuumless
vacuumlike
vacuumous
vacuum pack
vacuum-pack
vacuum-packed
vacuum pan
vacuum pose
vacuum pump
vacuum sealer
vacuum tube
vacuum up
vacuum valve
vacuum workout
Related terms: vacant
vacuous