Definition of: parallelism

(par′ə·lel·iz′əm) noun
1. Parallel position.
2. Essential likeness; similarity; analogy.
3. Correspondence or similarity of construction in successive passages or clauses, especially in Hebrew poetry.
4. Philos. The opinion that the relation between physical and mental processes is one of concomitant or parallel variation, and not of cause and effect.
—psychophysical parallelism Philos. The theory that related mental and physical events, although occurring simultaneously, are separate and distinct phenomena: opposed to interactionism.