the state of being parallel or of corresponding in some way:Greek thinkers who believed in the parallelism of microcosm and macrocosm
the use of successive verbal constructions in poetry or prose which correspond in grammatical structure, sound, metre, meaning, etc.:parallelism suggests a connection of meaning through an echo of form [count noun]:the parallelisms are reinforced by frequent alliteration
Computing the use of parallel processing:massive parallelism gives neural networks a high degree of fault tolerance