Definition of delta rays in English:

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delta rays

plural noun

Rays of low penetrative power consisting of slow electrons or other particles ejected from atoms by the impact of ionizing radiation.
Example sentences
  • These are all negative particles which, like the delta rays turn to the left.
  • The fraction due to delta rays and capacitive coupling has been increased to 24% for the first stack and to 19% for the other stacks.
  • They suggest that delta ray action rarely produces DSBs at locations away from a primary ion track, and that the average energy per delta ray has little biological importance.

For editors and proofreaders

Syllabification: del·ta rays

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