from The Century Dictionary.

  • noun A record of the chemical activity of light made by means of the actinograph.
  • noun An impression made on a sensitized photographic plate by the Röntgen or Becquerel rays.

from the GNU version of the Collaborative International Dictionary of English.

  • noun Obsolescent A record made by the actinograph.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The record produced by an actinograph


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