cloud chamber

noun

, Physics.

1. an apparatus for determining the movements of charged particles, consisting of a chamber containing a supersaturated mixture of gas and vapor, the vapor condensing around ions created by the particle in its passing, thereby revealing the path of the particle.

cloud chamber

noun

1. physics an apparatus for detecting high-energy particles by observing their tracks through a chamber containing a supersaturated vapour. Each particle ionizes molecules along its path and small droplets condense on them to produce a visible track Also calledWilson cloud chamber

cloud chamber

1. A device used to observe the movements of charged atomic and subatomic particles, such as ions, electrons, or muons. Cloud chambers consist of a closed container filled with a gas that is on the verge of condensing. Charged particles passing through the gas ionize the atoms in their path, forming visible lines of condensation.
2. Compare bubble chamber

Word History and Origins

Origin of cloud chamber¹

First recorded in 1895–1900

Example Sentences

Tracking lines arc through the expansive field, recalling cosmic rays shooting across a cloud chamber.

From Los Angeles Times

The team conducted experiments using LEDs shining on an artificial cloud chamber, and they observed heating of the fog, which was not supposed to happen since water does not absorb in the visible spectrum.

From Science Daily

The first installation is a “cloud chamber” that Kaino collaborated on with friends at NASA’s Jet Propulsion Laboratory.

From Los Angeles Times

Have we inadvertently found a sweet spot between the detachment of everyday life and the cloud chamber of face-to-face therapy?

From The Guardian

The cloud chamber bowls ring like the tuned glass they are.

From Los Angeles Times