ALS

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

English

Proper noun

ALS

  1. (Philippines, education) Initialism of Alternative Learning System.
  2. Initialism of alt.life.sucks, a Usenet newsgroup.
    • 1999 June 13, TIE Lion / SySFiRe, “Weather. Daddy, may I ask you something?”, in alt.flame‎[1] (Usenet):
      I was going to leave flame groups for a while because I suspected Boyd will lead me to admit that I am from ALS and thus get ALS involved - note, while I was there, before my "spank", ALS name wasn't mentioned anywhere by him.
    • 2006 October 18, Sally O'Malley, “Re: Someone”, in alc.suicide‎[2] (Usenet):
      He is already with us, posting in ALS.
    • 2017 April 14, ollies muther, “Pissed Off”, in alt.life.sucks‎[3] (Usenet):
      B4 you spend money you don't have on a new MAC, see if you can WAR-drive […] or log onto USENET and ALS with a smartphone […]

Derived terms

Noun

ALS (countable and uncountable, plural ALSs or ALSes)

  1. (pathology, uncountable) Initialism of amyotrophic lateral sclerosis.
    • 2025 April 10, Dan Heching, “Eric Dane shares that he has been diagnosed with ALS”, in CNN‎[4], Atlanta, Ga.: Warner Bros. Discovery, archived from the original on 20 February 2026:
      ALS is a progressive, neurodegenerative disease affecting the nerve cells in the brain and spinal cord that make the muscles of both the upper and lower body work, according to the ALS Association, a non-profit organization which works to research the disease and offer resources to people living with it.
  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[5], archived from the original on 17 December 2025:
      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

Dutch

Pronunciation

  • IPA(key): /aː.ɛˈlɛs/
  • Audio:(file)
  • Hyphenation: ALS

Proper noun

ALS

  1. acronym of amyotrofische laterale sclerose (“amyotrophic lateral sclerosis”)
This page is issued from Wiktionary. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.