Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

A–beta

play
noun A–be·ta \ˈā-ˈbā-tə, chiefly British -ˈbē-\

Medical Definition of A–beta

  1. :  beta-amyloid <Brain images of healthy people reveal that A-beta plaques are common, even in people who don't have dementia.—Tina Hesman Saey, Science News, 16 Aug. 2008> <Most A-beta dissolves quickly in the fluid surrounding the neuron.—Jeffrey Cowley, Newsweek, 31 Jan. 2000>




Seen and Heard

What made you want to look up A–beta? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

of, relating to, or near a shore

Get Word of the Day daily email!