There are multiple definitions:

1. transducer loading assistant(English)

   • AMEI, DACI, MEI
   • Auditory system
   • https://doi.org….1159/000283006

2. three letter acronym(English)

   • these are more popular than acronyms of two and four letters
   • Practical shorthand
   • https://doi.org…554/eLife.60080