ALS

abbreviation

1
advanced life support
an EMT with ALS training
2
amyotrophic lateral sclerosis
3
autographed letter signed

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al rovescio
ALS
Alsace
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Cite this Entry

“ALS.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ALS. Accessed 24 Jul. 2025.

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Medical Definition

ALS

abbreviation
1
advanced life support
2
amyotrophic lateral sclerosis
3
antilymphocyte serum; antilymphocytic serum

More from Merriam-Webster on ALS

Britannica.com: Encyclopedia article about ALS

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