Noun
anti-node (plural anti-nodes)
Alternative form of antinode
However, the node and the anti-node collide in the same spot and cancel out the fundamental. Source: Internet
At the open end of a pipe the anti-node will not be exactly at the end as it is altered by its contact with the air and so end correction is used to place it exactly. Source: Internet
However, only s orbitals invariably have a center anti-node; the other types never do. Source: Internet
The s-orbitals for all n numbers are the only orbitals with an anti-node (a region of high wave function density) at the center of the nucleus. Source: Internet