1. (trademark) a microscopic and traceable identification particle used to trace explosives or other hazardous materials or to prevent counterfeiting

Type of: identification particle

• Omar Nelson Bradley
• omasum
• Omayyad
• OMB
• ombre
• ombu
• ombudsman
• Omdurman
• omega
• Omega Centauri
• omega-3
• omega-3 fatty acid
• omega-6
• omega-6 fatty acid
• omelet
• omelet pan
• omelette
• omelette pan
• omen
• omental bursa
• omentum
• omeprazole
• omer
• omerta
• omicron