Definition of ALS in US English:

ALS

noun

  • A disease affecting motor neurons of the spinal cord, which causes progressive weakness and atrophy of muscles.

    ‘the rock guitarist was stricken by ALS more than 20 years ago’
    • ‘Some cases where gene therapy has been successful are in the breakthrough with the disease Amytrophic Lateral Sclerosis (ALS).’
    • ‘The scene becomes even more distressing when we recall how ALS eventually works its way up the body, making simple things like hand gestures and speaking impossible.’
    • ‘"Her painting will help draw attention to the amazing abilities of artists with ALS and other neuromuscular disorders."’
    • ‘He choreographed (most often for Maryland Youth Ballet and his own Eric Hampton Dance) before being diagnosed with ALS (Lou Gehrig's disease).’
    • ‘He was in the advanced stages of ALS.’