gamma rays

noun

Definition of gamma rays

: powerful invisible rays that are sent out from some radioactive substances

Word by Word Definitions

gamma play
  1. : the 3rd letter of the Greek alphabet — see Alphabet Table

  2. : the degree of contrast of a developed photographic image or of a video image

  3. : a unit of magnetic flux density equal to one nanotesla

  1. : of, relating to, or being one of three or more closely related chemical substances

  2. : third in position in the structure of an organic molecule from a particular group or atom

ray play rays
  1. : any of an order (Rajiformes) of usually marine cartilaginous fishes (such as stingrays and skates) having the body flattened dorsoventrally, the eyes on the upper surface, and enlarged pectoral fins fused with the head

  1. : any of the lines of light that appear to radiate from a bright object

  2. : a beam of radiant energy (such as light) of small cross section

  3. : a stream of material particles traveling in the same line (as in radioactive phenomena)

  1. : to shine in or as if in rays

  2. : to issue as rays

  3. : to extend like the radii of a circle : radiate


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