delta ray
noun Date: 1908 an electron ejected by an ionizing particle in its passage through matter

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • delta ray — n. high energy electrons ejected from atoms by primary ionizing particles passing through matter …   English World dictionary

  • Delta ray — Contents 1 Characteristics 2 Delta rays in particle accelerators 3 See also …   Wikipedia

  • delta ray — noun an electron ejected from matter by ionizing radiation • Hypernyms: ↑electron, ↑negatron * * * noun : an electron ejected by an ionizing particle (as an alpha particle) in its passage through matter * * * Physics. a low energy electron… …   Useful english dictionary

  • delta ray — Physics. a low energy electron emitted by a substance after bombardment by higher energy particles, as alpha particles. [1905 10] * * * ▪ physics       in physics, any atomic electron that has acquired sufficient energy by recoiling from a… …   Universalium

  • delta ray — del′ta ray n. phs a low energy electron emitted by a substance after bombardment by higher energy particles, as alpha particles • Etymology: 1905–10 …   From formal English to slang

  • delta ray — /ˈdɛltə reɪ/ (say deltuh ray) noun Physics slow electrons knocked out of atoms by fast moving ionised particles …   Australian English dictionary

  • delta ray — noun a) An electron ejected by recoil when a rapidly moving alpha particle or other charged particle passes through matter. b) A secondary ionizing particle ejected by recoil when a primary particle passes through matter …   Wiktionary

  • Delta, Utah —   City   …   Wikipedia

  • Delta smelt — Delta smelt, Hypomesus transpacificus Conservation status …   Wikipedia

  • Delta High School (Clarksburg, California) — Delta High School Magnet School No School District River Delta Unified School District School Colors Black and Gold …   Wikipedia

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