Definition of bubble chamber in US English:

bubble chamber

noun

Physics
  • An apparatus designed to make the tracks of ionizing particles visible as a row of bubbles in a liquid.

    • ‘Axions, if they exist at all, do so in our ordinary dimensions, but they are stable neutral particles, and as such they wouldn't make any tracks in a bubble chamber at all.’
    • ‘He won the Nobel Prize in 1968 for the development of the hydrogen bubble chamber and the discovery of new resonance states.’
    • ‘The photo above shows the tracks left in a bubble chamber by tiny electrically charged subatomic particles as they travel through a special fluid that makes bubbles in the presence of electric charge.’
    • ‘For example, a bubble chamber contains a liquid gas, such as liquid hydrogen.’
    • ‘This is like a bubble chamber in particle physics: it is very difficult to see the actual particles, but it is comparatively easy to see the tracks of the bubbles that they cause as they pass through the chamber.’

Pronunciation

bubble chamber

/ˈbəbəl ˈCHāmbər/