Bacteriological/bækˌtɪriəˈlɑːdʒɪkl/ Definition 1 of 2Pro Tip 1/3Study Focus Emphasizes the scientific analysis or research of bacteria in different contexts. He specialized in bacteriological studies of fermented foods. Pro Tip 2/3Technical Term Used in scientific and medical discussions, not in casual conversation. The laboratory is equipped for bacteriological examination. Pro Tip 3/3Safety and Health Often relates to hygiene, public health, and ensuring the safety of environments. Bacteriological testing of food is crucial for public safety.