Parallelism

Parallelism may refer to:

standard of the laboratory test used to measure that analyte
 * Angle of parallelism, in hyperbolic geometry, the angle at one vertex of a right hyperbolic triangle that has two hyperparallel sides
 * Axial parallelism, a type of motion characteristic of a gyroscope and astronomical bodies
 * Conscious parallelism or also tacit parallelism, price-fixing between competitors that occurs without any communication between the parties
 * Parallel computing, the simultaneous execution on multiple processors of different parts of a program
 * In the analysis of parallel algorithms, the maximum possible speedup of a computation
 * Parallel evolution, the independent emergence of a similar trait in different unrelated species
 * Parallel (geometry), the property of parallel lines
 * Parallelism (grammar), a balance of two or more similar words, phrases, or clauses
 * Parallelism (rhetoric), the chief rhetorical device of Biblical poetry in Hebrew
 * Parallelsim (laboratory test), the relationship between the concentration of an analyte in a sample and the signal produced by the reference standard
 * Psychophysical parallelism, the theory that the conscious and nervous processes vary concomitantly
 * Parallel harmony/doubling, or harmonic parallelism, in music