1. a substance added to something in small quantities to improve or preserve it

1. characterized by, produced by, or involving addition
Usage: mathematics

Examples

• Food manufacturers use additives to enhance flavor and extend shelf life.
• The gasoline contains additives to prevent engine knock.
• Many people prefer foods without artificial additives.
• The additive effect of the two medications was stronger than expected.
• In additive color mixing, red and green light combine to make yellow.
• The additive property means that 2 + 3 equals 3 + 2.