node

A small lump or swollen part, especially in the body.

• The doctor felt a swollen node in my neck.
• These lymph nodes help the body fight infection.
• One enlarged node needed further examination.

Similar words: nodule, lump

Common phrases: lymph node, swollen node, enlarged node

A computer or other device connected to a network.

• Each node sends data to the server.
• We added three nodes to the network.
• A failed node can interrupt communication.

Similar words: network device

Common phrases: network node, compute node, node failure

A central point where routes, lines, or different parts connect.

• The station is a major transport node.
• Several routes meet at this node.
• The diagram shows connections between the nodes.

Similar words: junction, hub, connection point

Common phrases: transport node, central node, network node

A place on a plant stem where a leaf or branch grows.

• Cut the stem just below a node.
• New roots appeared at each node.
• This branch has three nodes with healthy leaves.

Similar words: stem joint

Common phrases: leaf node, stem node, below a node

A point in a standing wave that stays still while other parts move.

• The string stays still at each node.
• This standing wave has two nodes.
• Changing the frequency changes the spacing between nodes.

Common phrases: wave node, stationary node, node spacing

A point where the path of a planet or other object crosses a particular flat surface in space.

• The satellite crosses this plane at a node.
• Astronomers calculated the position of the ascending node.
• The Moon’s orbit has two nodes on the ecliptic.

Common phrases: ascending node, descending node, lunar node