1. plural of coeffect; secondary or accompanying effects that occur alongside a primary effect, especially in scientific, medical, or technical contexts.
Usage: technical; often used in programming, functional programming, and systems design to describe side effects or additional outcomes

Examples

• The medication's coeffects included improved sleep and reduced anxiety alongside its primary therapeutic benefit.
• In functional programming, coeffects describe the environmental context and side effects of a computation.
• The policy change had several coeffects on the local economy beyond its intended outcome.
• Researchers documented the coeffects of the new manufacturing process on worker productivity and workplace safety.
• The software update produced coeffects that improved system performance in unexpected ways.