(genetics) Of corresponding segments of a chromosome in different individuals, identical because they were inherited from a common ancestor without crossover.

plural of personal identification number

(logic) The logical principle that anything equals itself, expressed by the symbolic equation A=A.

Synonym of body integrity identity disorder

(psychology) A psychological disorder characterized by the desire to have one or more healthy limbs amputated.

plural of idealiser

Alternative form of idealizer

The false belief that random occurrences have a special connection to oneself.

The property or state of being an idea.

(category theory) A unique morphism corresponding to each object of a category, which has its domain equal to its codomain, and which composed with any morphism (with which it is composable) gives that same morphism.