A feature of a programming language that allows routines to use variables of different types at different times
POLYMORPHISM, the circumstance in which two minerals with different crystalline structures have identical chemical compositions, eg diamond and graphite [n]
The occurrence of something in several different forms, in particular
The occurrence of different forms among the members of a population or colony, or in the life cycle of an individual organism
The presence of genetic variation within a population, upon which natural selection can operate
The occurrence of a number of alternative forms within a section of a nucleic acid or protein molecule