l]
adjective, noun, verb, -leled, -lel⋅ing or (especially British
) -lelled, -lel⋅ling.| 1. | extending in the same direction, equidistant at all points, and never converging or diverging: parallel rows of trees. |
| 2. | having the same direction, course, nature, or tendency; corresponding; similar; analogous: Canada and the U.S. have many parallel economic interests. |
| 3. | Geometry.
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| 4. | Electricity. consisting of or having component parts connected in parallel: a parallel circuit. |
| 5. | Music.
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| 6. | Computers.
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| 7. | a parallel line or plane. |
| 8. | anything parallel or comparable in direction, course, nature, or tendency to something else. |
| 9. | Also called parallel of latitude. Geography.
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| 10. | something identical or similar in essential respects; match; counterpart: a case history without a known parallel. |
| 11. | correspondence or analogy: These two cases have some parallel with each other. |
| 12. | a comparison of things as if regarded side by side. |
| 13. | Electricity. an arrangement of the components, as resistances, of a circuit in such a way that all positive terminals are connected to one point and all negative terminals are connected to a second point, the same voltage being applied to each component. Compare series (def. 9). |
| 14. | Fortification. a trench cut in the ground before a fortress, parallel to its defenses, for the purpose of covering a besieging force. |
| 15. | Printing. a pair of vertical parallel lines (‖) used as a mark for reference. |
| 16. | Theater. a trestle for supporting a platform (parallel top). |
| 17. | to provide or show a parallel for; match. |
| 18. | to go or be in a parallel course, direction, etc., to: The road parallels the river. |
| 19. | to form a parallel to; be equivalent to; equal. |
| 20. | to show the identity or similarity of; compare. |
| 21. | to make parallel. |

| parallel (pār'ə-lěl') Pronunciation Key
Adjective Of or relating to lines or surfaces that are separated everywhere from each other by the same distance. Noun Any of the imaginary lines encircling the Earth's surface parallel to the plane of the equator, used to represent degrees of latitude. See illustration at longitude. |