different between vacuum vs cavern
vacuum
English
Alternative forms
- vacuüm (rare)
Etymology
From Latin vacuum (“an empty space, void”), noun use of neuter of vacuus (“empty”), related to vacare (“be empty”).
Pronunciation
- IPA(key): /?væ.kju?m/, /?væ.kju?.?m/
Noun
vacuum (plural vacuums or (rare) vacua) (see usage notes)
- A region of space that contains no matter.
- (plural only "vacuums") A vacuum cleaner.
- 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.
- a vacuum of 26 inches of mercury, or 13 pounds per square inch
- (physics) A spacetime having tensors of zero magnitude
Usage notes
- The Latin in vacuo is sometimes used instead of in a vacuum (in free space).
Synonyms
- (a region of space that contains no matter): vacancy, void
- (vacuum cleaner): hoover (British)
Antonyms
- (region of space that contains no matter): plenum
Derived terms
Related terms
Translations
Verb
vacuum (third-person singular simple present vacuums, present participle vacuuming, simple past and past participle vacuumed)
- (transitive) To clean (something) with a vacuum cleaner.
- (intransitive) To use a vacuum cleaner.
- (transitive, databases) To optimise a database or database table by physically removing deleted tuples.
Synonyms
- (transitive sense): to hoover (British)
- (intransitive sense): to do the hoovering, to hoover (British)
Translations
French
Pronunciation
- IPA(key): /va.k??m/
Noun
vacuum m (plural vacuums)
- vacuum (space containing no matter)
Synonyms
- vide
Descendants
- Turkish: vakum
Further reading
- “vacuum” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).
Latin
Adjective
vacuum
- accusative neuter singular of vacuus
Romanian
Etymology
From Latin vacuum
Noun
vacuum n (plural vacuumuri)
- vacuum
Declension
Spanish
Alternative forms
- vácuum (recommended)
Noun
vacuum m (plural vacuums)
- vacuum
vacuum From the web:
- what vacuum should i buy
- what vacuum has the best suction
- what vacuum has the strongest suction
- what vacuum is best for hardwood floors
- what vacuums are made in the usa
- what vacuum is best for dog hair
- what vacuum is comparable to dyson
- what vacuum sealer should i buy
cavern
English
Etymology
From Middle English caverne, from Old French caverne, from Latin caverna, from cavus (“hollow”).
Pronunciation
- (Received Pronunciation) enPR: k?v'?n, IPA(key): /?kæv.?n/
- (General American) enPR: k?v'?rn, IPA(key): /?kæv.?n/
- Rhymes: -æv?(?)n
Noun
cavern (plural caverns)
- A large cave.
- An underground chamber.
Derived terms
- cavernous
Translations
Verb
cavern (third-person singular simple present caverns, present participle caverning, simple past and past participle caverned)
- (transitive) To form a cavern or deep depression in.
- catacombs caverning the hillsides
- (transitive) To put into a cavern.
Anagrams
- Craven, carven, craven
cavern From the web:
- what caverns are in missouri
- what caverns are near me
- what caverns are in virginia
- what caverns are in texas
- what caverns are in kentucky
- what caverns are in new mexico
- what caverns are in arizona
- what cavernous mean
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