different between vacuum vs crater

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)

1. A region of space that contains no matter.
2. (plural only "vacuums") A vacuum cleaner.
3. 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

4. (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)

1. (transitive) To clean (something) with a vacuum cleaner.
2. (intransitive) To use a vacuum cleaner.
3. (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)

1. 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

1. accusative neuter singular of vacuus

Romanian

Etymology

From Latin vacuum

Noun

vacuum n (plural vacuumuri)

1. vacuum

Declension

Spanish

Alternative forms

• vácuum (recommended)

Noun

vacuum m (plural vacuums)

1. vacuum

English

Etymology 1

First coined 1613, from Latin cr?t?r (“basin”), from Ancient Greek ?????? (kr?t?r, “mixing-bowl, wassail-bowl”).

Pronunciation

• (UK) IPA^(key): /?k?e?.t?(?)/
• (US) IPA^(key): /?k?e?.t?/
• Rhymes: -e?t?(r)

Noun

crater (plural craters)

1. (astronomy) A hemispherical pit created by the impact of a meteorite or other object. [from 1831]

   Synonym: astrobleme

2. (geology) The basin-like opening or mouth of a volcano, through which the chief eruption comes; similarly, the mouth of a geyser, about which a cone of silica is often built up. [from 1610s]
3. The pit left by the explosion of a mine or bomb. [from 1839]
4. (informal, by extension) Any large, roughly circular depression or hole.
5. (historical) Alternative spelling of krater (“vessel for mixing water and wine”)
   • 1941, Louis MacNeice, The March of the 10,000:

     The people of those parts lived in underground houses - more of dug-outs - along with their goats and sheep and they had great craters full of wine, barley-wine, that they drank through reeds.

Hyponyms

Derived terms

See also

• machtesh
• caldera

Translations

References

• crater on Wikipedia.Wikipedia

Verb

crater (third-person singular simple present craters, present participle cratering, simple past and past participle cratered)

1. To form craters in a surface.
2. To collapse catastrophically; to become devastated or completely destroyed.

   Synonyms: implode, hollow out

3. (snowboarding) To crash or fall.

Translations

Etymology 2

Pronunciation

• (Ireland) IPA^(key): /?k?e?.t??/

Noun

crater (plural craters)

1. (Scotland, Ireland) Alternative form of creature.
   • 1872, Thomas Hardy, Under the Greenwood Tree

     Then why not stop for fellow-craters -- going to thy own father's house too, as we be, and knowen us so well?

Usage notes

This term is still commonly used in speech but rarely appears in modern writing.

Anagrams

• Carter, arrect, carter, tracer

Latin

Alternative forms

• cr?t?ra

Etymology

Borrowed from Ancient Greek ?????? (kr?t?r, “mixingbowl, wassail-bowl”), from ????????? (keránnumi, “to mix, to mingle, to blend”)

Pronunciation

• (Classical) IPA^(key): /?kra?.te?r/, [?k?ä?t?e?r]
• (Ecclesiastical) IPA^(key): /?kra.ter/, [?k???t??r]

Noun

cr?t?r m (genitive cr?t?ris or cr?t?ros); third declension

1. A basin or bowl for water or for mixing.
2. The opening of a volcano.

Declension

Third-declension noun (non-Greek-type or Greek-type, normal variant).

Descendants

• ? English: crater
• ? Finnish: krateeri
• ? French: cratère
• ? German: Krater
• ? Serbo-Croatian: ???????
• ? Russian: ??????? (kráter)
• ? Spanish: cráter

References

• crater in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• crater in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• crater in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• crater in William Smith, editor (1854, 1857) A Dictionary of Greek and Roman Geography, volume 1 & 2, London: Walton and Maberly
• crater in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin

Romanian

Etymology

From French cratère

Noun

crater n (plural cratere)

1. crater

Declension