CLAS has various meanings in the Military category. Discover the full forms, definitions, and usage contexts of CLAS in Military.
The separation of ores into fractions according to size and specific gravity, generally in accordance with Stokes' law of sedimentation.or Separation of a metal powder into fractions according to particle size.or The determination that official information requires, in the interests of national security, a specific degree of protection against unauthorized disclosure, coupled with a designation signifying that such a determination has been made. also security classification.
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