from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Disclosure or detection of something concealed.
  • n. Detection through a concealing layer. (Note: this use is somewhat specific to electrical engineering and related fields investigating the uses of T-Ray Sensing.)

from the GNU version of the Collaborative International Dictionary of English

  • n. Act of disclosing or uncovering something concealed.

from The Century Dictionary and Cyclopedia

  • n. The act of disclosing or producing to view something concealed.


From Latin retectionem ("to uncover or disclose"). (Wiktionary)
In 2002 a paper to be titled "Powder detection using THz imaging" (by Wang, Ferguson, Manella, Abbot and Zhang) was mistakenly published as "Powder retection using THz imaging" in OSA Trends in Optics and Photonics, Proceedings of Conference on Lasers and Electro-Optics, vol.73. (recounted in Proceedings of the IEEE, vol 95, No. 8 August 2007, page 1511, Scanning the Issue: T-Ray Imaging, Sensing and Retection by Derek Abbott and Xi-Cheng Zhang) (Wiktionary)


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  • Act of disclosing or uncovering something concealed (obsolete).

    April 5, 2007