There are multiple definitions:

1. weapons of mass destruction(English)

   • MCI, MSDS, NMRT, OSHA, PPE, CST, CWA, CWC
   • Safety and health, Military medicine, Emergency medicine, Toxicology
   • https://doi.org…let.2018.09.013

2. weighted mean difference(English)

   • SMD
   • Statistics

3. within-module degree(English)

   • metric to define colors and hubs in imaging. There are specific morphological and functional brain differences between males and females. Women generally have greater sensitivity to noxious stimuli, yet can exhibit greater heat pain adaptation and habituation than men to repeated, prolonged noxious stimuli
   • DMN, fMRI, MNI, sgACC, SMN
   • Brain (dys)function, Medical imaging, Gender aspects, Pain
   • https://doi.org…000000000002104