1. not involving, caused by, or relating to microorganisms
Usage: scientific; medical

Examples

• The infection was determined to be nonmicrobial in origin.
• Nonmicrobial causes of food spoilage include oxidation and enzyme activity.
• The doctor ruled out bacterial causes and focused on nonmicrobial factors.
• Chemical preservatives can prevent both microbial and nonmicrobial deterioration.
• The laboratory confirmed the contamination was nonmicrobial.
• Nonmicrobial treatments are often preferred for sensitive patients.