Antinode

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Antinode

1. Either of the two points on an orbit where a line in the orbit plane, perpendicular to the

line of nodes, and passing through the focus, intersects the orbit.
2. A point, line, or surface in a standing wave where some characteristic of the wave field has maximum amplitude. Also called

 loop  .

In sense 2, the appropriate modifier should be used before the word antinode to signify the type that is intended; e.g., displacement antinode, velocity antinode, pressure antinode.

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use