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ALS

1 American  

abbreviation

Pathology.

  1. amyotrophic lateral sclerosis.

a.l.s. 2 American  

abbreviation

  1. autograph letter, signed.

ALS British  

abbreviation

  1. autograph letter signed

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Rui Cardoso, a portfolio manager at Beutel Goodman, recommends Japan’s Shionogi, a pharmaceutical company that is developing drugs for depression and ALS, more commonly known as Lou Gehrig’s disease.

From Barron's • Mar. 19, 2026

"This tells us that the biology of this protein is broader than just ALS or FTD," Hegde said.

From Science Daily • Mar. 15, 2026

She told the outlet that Andrew had been diagnosed with Bulbar-onset ALS, a form of the neurodegenerative disease affecting the neck and face, in September 2025 after experiencing symptoms for more than two years.

From Los Angeles Times • Mar. 4, 2026

Its Connexus BCI is designed to restore communication for people with severe motor impairment as a result of spinal-cord injuries or ALS.

From MarketWatch • Feb. 26, 2026

There had been a development in the treatment of ALS: an experimental drug that was just gaining passage.

From "Tuesdays with Morrie" by Mitch Albom

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.