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cloud chamber

cloud chamber

1 7.5
A device that shows the paths of tiny invisible particles as thin white streaks in a mist
  • noun
  • /klaʊd ˈtʃeɪmbər/
  • Specialized
translation icon : cámara de nubes
  • His theory of energy loss of charged particles in their passage through matter became the basis for extracting quantitative data from cloud chamber tracks and later, nuclear emulsions.

Examples

  • Consider Charles T. R. Wilson's cloud chamber, perhaps the greatest single scientific instrument of the first half of the twentieth century.

    Academic text (1997)
  • Could a physicist falsify this theory by playing around with cloud chambers or particle accelerators?

    Blog text (21)
  • A particle leaves the source in the cloud chamber.

    Blog text (30)
  • Wilson meant it literally when he called the device a "cloud chamber."

    Academic text (1997)
  • This process is somewhat like following the trails of atomic particles in a cloud chamber.

    Academic text (1992)
  • So Wilson invented the cloud chamber for the explicit purpose of observing glories.

  • Anderson was observing cosmic rays with a cloud chamber mounted vertically inside a magnetic field.

    Academic text (2012)
  • That same year, Anderson and his graduate student Seth Neddermeyer once again used a cloud chamber exposed to cosmic rays to discover another new charged particle—the muon.

    Academic text (2012)
  • Known to physicists for almost the entirety of this century, the cloud chamber, with its distinct tracks tracing the paths of particles, made the abstractions of atomic and nuclear physics appear as visually evident as skywriting.

    Academic text (1997)
  • In a cloud chamber, particles leave visible trails that help scientists trace their paths.

Synonyms

particle detector
vscloud chamber
  • Specialized
1 5.8

A machine that finds and shows very small particles inside atoms in physics experiments

is specific to making tracks in vapor rather than other subatomic instruments
bubble chamber
vscloud chamber
  • Archaic
1 7.8

A tank of very hot liquid where tiny bubbles show the paths of invisible particles

uses vapor rather than a superheated liquid to show tracks
Wilson cloud chamber
vscloud chamber
  • Specialized
8.9

A device that makes vapor tracks to show where tiny charged particles move

is the general name rather than the specific inventor's name
hodoscope
vscloud chamber
  • Specialized
9.9

A tool that shows the path of charged particles

makes particle tracks visible as vapor trails rather than using other sensors
spark chamber
vscloud chamber
  • Archaic
8.1

A device that makes sparks to show paths of tiny charged particles

records continuous vapor trails rather than brief electrical discharges
spark counter
vscloud chamber
  • Specialized
7.8

A device that makes tiny sparks when particles from radiation pass through it

records long visible trails in vapor instead of single brief discharges

How Detailed

bubble chamber
  • Archaic
1 7.8
cloud chamber
  • Specialized
1 7.5
scintillation counter
  • Specialized
1 9.0
spark counter
  • Specialized
7.8
Geiger counter
  • Specialized
7 4.8

Surface Forms

cloud chamber singular

Morphology

cloud + chamber

The compound is transparently built from 'cloud' + 'chamber', so a B1 learner who knows both words would infer it refers to an enclosed space involving clouds or vapor. However, the specific technical function — detecting high-energy particle tracks — is specialized and not predictable from the constituents alone, so the relation is only partially clear to learners.

Etymology

The name cloud chamber comes from the way the device looks: inside a small chamber, drops of vapor form thin white cloud lines where fast particles pass, making visible 'trails'. That's why the name means a device that 'detects' and shows the 'paths' of invisible particles.