node

US /noʊd/
UK /noʊd/
"node" picture
1.

a point in a network or diagram at which lines or pathways intersect or branch.

:
Each computer in the network acts as a node.
The diagram shows the different nodes in the system.
2.

a swelling or protuberance on a plant stem or root; a joint.

:
The bamboo stalk has distinct nodes.
New leaves often emerge from a node.
3.

a point at which a standing wave has zero amplitude.

:
The string vibrated with a node at its center.
Understanding nodes and antinodes is crucial in wave physics.