Definitions

1. noun

A set of all possible combinations of two different sets of genetic or biological varieties, used in plant breeding to study the inheritance of traits.

“The researcher used a diallel to analyze the genetic interactions between the different corn varieties.”

2. noun

A similar set of combinations in other sciences, particularly in chemistry and physics, to study the interaction of different elements or compounds.

“The chemist used a diallel to understand the interactions between the different chemical compounds in the new substance.”