microtaggant — n. microscopic tags which are mixed in with military supplies (such as explosives, toxic waste, etc.) for tracing and identification purposes … English contemporary dictionary
identification particle — noun a tiny particle of material that can be added to a product to indicate the source of manufacture • Hypernyms: ↑atom, ↑molecule, ↑particle, ↑corpuscle, ↑mote, ↑speck • Hyponyms: ↑Microtaggant … Useful english dictionary
trademark — I noun 1. a distinctive characteristic or attribute (Freq. 3) • Syn: ↑hallmark, ↑earmark, ↑stylemark • Derivationally related forms: ↑earmark (for: ↑ … Useful english dictionary