Appearance of Light: Difference between revisions

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'''2-5-125
'''urn:mrn:iala:dic:2-5-0125'''


An exhibition of light for a given time between two darknesses.
An exhibition of light for a given time between two darknesses.
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*(a) Blitz - An appearance of light of duration not more than 1 second, the interval of darkness being relatively long in comparison with the appearance of light.
*(a) Blitz - An appearance of light of duration not more than 1 second, the interval of darkness being relatively long in comparison with the appearance of light.
*(b) Blink - An appearance of light of duration at least 2 seconds, the interval of darkness being relatively long in comparison with the appearance of light.
*(b) Blink - An appearance of light of duration at least 2 seconds, the interval of darkness being relatively long in comparison with the appearance of light.
*(c) Schein - An appearance of light between two darknesses, the duration of dark-ness being not longer than the duration of light.
*(c) Schein - An appearance of light between two darknesses, the duration of darkness being not longer than the duration of light.




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[[Category:Alphabetical Index]]
[[Category:Alphabetical Index]]
[[Category:IALA Dictionary 1970-89 Edition]]
[[Category:IALA Dictionary 1970-89 Edition]]
[[Category:IALA Dictionary 2023 Revision]]

Latest revision as of 08:09, 17 September 2026

urn:mrn:iala:dic:2-5-0125

An exhibition of light for a given time between two darknesses.

Note 1: In Germany and some other countries, brief appearances of light are classified according to duration

  • (a) Blitz - An appearance of light of duration not more than 1 second, the interval of darkness being relatively long in comparison with the appearance of light.
  • (b) Blink - An appearance of light of duration at least 2 seconds, the interval of darkness being relatively long in comparison with the appearance of light.
  • (c) Schein - An appearance of light between two darknesses, the duration of darkness being not longer than the duration of light.


Note 2: Blitz and Blink are flashes (2-5-130).




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)