1. algebraic expressions consisting of exactly three terms connected by addition or subtraction
Usage: mathematics
2. scientific names consisting of three parts, typically used in biology to identify subspecies
Usage: biology; taxonomy

Examples

• The students learned to factor trinomials like x² + 5x + 6.
• Quadratic trinomials are common in algebra courses.
• She struggled with trinomials that couldn’t be factored easily.
• The biologist used trinomials to classify the butterfly subspecies.
• Trinomials in taxonomy include the genus, species, and subspecies names.
• The math test included several problems involving trinomials.
• Scientists often debate the proper trinomials for newly discovered organisms.