There are multiple definitions:

1. color wavelet covariance(English)

   • CE, LBP, MLP
   • Wavelets

2. Chemical Weapons Convention(English)

   • chemical weapons are defined as toxic chemicals and their precursors, munitions and devices, and any equipment specifically designed for use directly in connection with such weapons
   • 2-PAM, CEES, CWA, DDGel, DEF, DIMP, MPEG2, OP, RSDL, SC, SM, WMD
   • Toxicology, Military medicine
   • https://doi.org…0975-7406.68498