A-beta

noun

A-be·​ta ˈā-ˈbā-tə How to pronounce A-beta (audio)
 chiefly British  -ˈbē-
: beta-amyloid
It turns out that A-beta probably causes damage long before it accumulates into these plaques. Laura Sanders
Brain images of healthy people reveal that A-beta plaques are common, even in people who don't have dementia. Tina Hesman Saey

Word History

First Known Use

1993, in the meaning defined above

Time Traveler
The first known use of A-beta was in 1993

Dictionary Entries Near A-beta

Cite this Entry

“A-beta.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/A-beta. Accessed 1 Dec. 2022.

Medical Definition

: 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
Most A-beta dissolves quickly in the fluid surrounding the neuron. Jeffrey Cowley, Newsweek
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