ALS

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See also: ALs, Als, als, åls, al's, and -āls

English

Proper noun

ALS

  1. (Philippines, education) Initialism of Alternative Learning System.

Noun

ALS (countable and uncountable, plural ALSs or ALSes)

  1. (pathology, uncountable) Initialism of amyotrophic lateral sclerosis.
  2. (aviation, countable) Initialism of approach lighting system.
  3. (electronics, countable) Initialism of ambient light sensor.
    • 2017 May 3, Rob Mark, “How It Works: Runway Visual Range”, in Flying‎:
      Another RVR element, the ambient light sensor (ALS), is used to interpret the impact that background lighting, such as nearby runway lights, might have on the overall visibility measurement. Normally two ALSs are installed in central locations relative to the airfield environment.

Hypernyms

(pathology):

  • MND (motor neuron disease)

Coordinate terms

(aviation):

  • ILS (Instrument Landing System)
  • MLS (Microwave Landing System)
  • OLS (Optical Landing System)
  • PAPI (Precision Approach Path Indicator)

Derived terms

Translations

See also

References

Anagrams

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