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  2. /vac
  3. /vacuum

vacuum

UK/'vækjʊəm/US/''vækjuәm/
IELTSTOEFLB1

Definitions

n.

A space entirely empty of matter, especially of air

真空

n.

A situation in which something important is missing; an empty gap

(缺失造成的)空白,真空

n.

A vacuum cleaner

吸尘器

v.

To clean with a vacuum cleaner

用吸尘器打扫

Root Breakdown

Loanword
vacuempty
+
-umsuffix
=vacuum

From Latin vacuus (empty) — the purest "empty" in the family, a space emptied even of air. The vacuum cleaner is named for how it works: it creates an empty, low-pressure space that pulls dirt in. The figurative "power vacuum" reuses the same idea — remove authority and something rushes to fill the empty space.

Root vac still carries 31 more words

Why It Means This

The leap from physics to everyday speech runs through one image: a vacuum is a gap that nature "abhors" and tries to fill. So when we say a leader works in a vacuum, or a power vacuum opens up, we mean there's an empty space where something should be — and the pressure of that emptiness pulls in whatever is nearby.

Common Collocations

  • 1.power vacuum权力真空
  • 2.vacuum cleaner吸尘器
  • 3.in a vacuum孤立地
  • 4.create a vacuum形成真空

Example Sentences

  • 1.

    Sound cannot travel through a vacuum.

  • 2.

    The dictator's death left a dangerous power vacuum.

  • 3.

    Could you vacuum the living room before the guests arrive?

  • 4.

    No company operates in a vacuum; the market always reacts.

Word Forms

Verb

Pastvacuumed
3rd Personvacuums
Past Part.vacuumed
Pres. Part.vacuuming

Noun

Pluralvacuums

Derivatives

vacuousvacuityvacuum-packedvacuum-sealed
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