There are multiple definitions:

1. before Common Era(English)

   • anno Domini incarnationis
   • A.D., CE
   • Terminology

2. benevolent childhood experience(English)

   • a novel culturally sensitive instrument for adults with childhood adversity
   • ACE, US
   • Pediatrics, Adverse effect, Emotional aspects, Scoring systems/scales
   • https://doi.org…1037/fam0000521

3. binary cross-entropy(English)

   • may be employed as a loss function
   • DSC, EDF, ESF, FPS, HD, LOA, LP, LVEF, LVESV, MAD, MLP, MTT, PCK, PELoA, PLANeT, STP
   • Entropy, Medical imaging, Signal analysis, Cardiology
   • https://doi.org…517-025-03510-y