bubble chamber otâqak-e tangol, ~ hobâb Fr.: chambre à bulles A tank filled with a transparent liquid that is on the brink of boiling. When a charged particle passes through the liquid, the energy deposited initiates boiling along the path, leaving a trail of tiny bubbles. The bubble chamber is no longer in wide use for particle experiments. |
chamber otâqak (#) Fr.: chambre An enclosed space making part of a laboratory apparatus, such as → bubble chamber, → cloud chamber, → multiwire proportional chamber. M.E., from O.Fr. chambre, from L.L. camera "a chamber, room." Otâqak "small room, small chamber," cf. Sogdian ôtâk "place, region," ôtâkcik "local, regional, native" + -ak diminutive suffix. |
cloud chamber otâqak-e abr Fr.: chambre à nuage An early type of → bubble chamber used for detecting particles of ionizing radiation. It was invented in 1900 by Charles Thomson Rees Wilson (1869-1959), a Scottish physicist, who along with Arthur Compton (1892-1962 ) received the Nobel Prize for physics in 1927. |
magma chamber otâqak-e mâgmâ (#) Fr.: chambre magmatique A large cavity within the Earth's → crust containing → magma. When a → vent is opened to the surface, magma is extruded onto the surface as → lava. |
multiwire proportional chamber otâqak-e besyâr-sim-e barpâreši Fr.: chambre proportionnelle multifils Same as → Charpak's detector. → multi-; → wire; → proportional; → chamber. |
vacuum chamber otâqak-e xala' Fr.: chambre à vide An enclosure from which air is removed. |