Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The quality or condition of being parallel; a parallel relationship.
  • n. Likeness, correspondence, or similarity in aspect, course, or tendency.
  • n. Grammar The use of identical or equivalent syntactic constructions in corresponding clauses or phrases.
  • n. Philosophy The doctrine that to every mental change there corresponds a concomitant but causally unconnected physical alteration.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The state or condition of being parallel; agreement in direction, tendency, or character.
  • n. The state of being in agreement or similarity; resemblance, correspondence, analogy.
  • n. A parallel position; the relation of parallels.
  • n. The juxtaposition of two or more identical or equivalent syntactic constructions, especially those expressing the same sentiment with slight modifications, introduced for rhetorical effect.
  • n. The doctrine that matter and mind do not causally interact but that physiological events in the brain or body nonetheless occur simultaneously with matching events in the mind.
  • n. In antitrust law, the practice of competitors of raising prices by roughly the same amount at roughly the same time, without engaging in a formal agreement to do so.
  • n. Similarity of features between two species resulting from their having taken similar evolutionary paths following their initial divergence from a common ancestor.

from the GNU version of the Collaborative International Dictionary of English

  • n. The quality or state of being parallel.
  • n. Resemblance; correspondence; similarity.
  • n. Similarity of construction or meaning of clauses placed side by side, especially clauses expressing the same sentiment with slight modifications, as is common in Hebrew poetry; e. g.: -- At her feet he bowed, he fell: Where he bowed, there he fell down dead. Judg. v. 27.

from The Century Dictionary and Cyclopedia

  • n. A parallel position, in any sense of the word parallel.
  • n. The retention by a moving line of positions parallel to one another.
  • n. Analogy.
  • n. Specifically The correspondence resulting from the repetition of the same sentiment or imagery, sense, or grammatical construction: a marked feature of Hebrew poetry.
  • n. A parallel or comparison.
  • n. The opinion that the relation between the brain and the mind, although it is one of concomitant variation, is not the relation of cause and effect; the opinion that mental process and brain process are parallel events, and that they do not interact.
  • n. In evolution, the independent development of similar species or types of animals in different regions.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. similarity by virtue of corresponding

Etymologies

From parallel +‎ -ism and from Late Latin parallelismus. (Wiktionary)

Examples

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