- 1A point in a network or diagram at which lines or pathways intersect or branch: the intersections of two or more such arteries would clearly become major nodes of traffic and urban activityMore example sentences
- To the east is Aegidientorplatz, a major node and traffic intersection dominated by an axially placed theatre.
- It provided near-real-time monitoring of the flow of critical classes of supply across critical nodes and lines of communication.
- In a network the decision points are called nodes and the lines connecting nodes are called edges or paths.
- 1.1A piece of equipment, such as a computer or peripheral, attached to a network: the company’s internal worldwide area network now has some 22,000 nodes every node on the InternetMore example sentences
- With an Ethernet interface, each cable modem appears as a node on an Ethernet LAN.
- A plurality of computer nodes communicate using seemingly random Internet Protocol source and destination addresses.
- Network nodes can be notebooks, handheld computers or other devices that accept MeshNetworks' communications card.
- 1.2 Mathematics A point at which a curve intersects itself.More example sentences
- The slope of the chord between two nodes is the average of the slope of the tangents at the end points.
- We prove this result when the curves have cusps and nodes, not in a prescribed position.
- 1.3 Astronomy Either of the two points at which a planet’s orbit intersects the plane of the ecliptic or the celestial equator.More example sentences
- Lunar eclipses occur at the time of a Full Moon, and when the Moon is near one of the nodes of intersection between its orbit and the ecliptic plane.
- This is because the nodes of the orbit of Venus pass across the Sun in early June at the descending node, and early December at the ascending node.
- If the lunar orbit were fixed in space, such that the nodes occurred always in the same locations, then the Sun would pass through those nodes once per solar year.
- 2 Botany The part of a plant stem from which one or more leaves emerge, often forming a slight swelling: the stem is cut midway between nodesMore example sentences
- For each plant, we recorded the number of leaf nodes producing flowers and the total fruit production.
- Each shoot has several leaves arising from nodes located near its tip.
- Both the stems and leaves, which occur in whorls at the node, are covered in hooks; these are thought to aid attachment to their support and allow the plant to climb without twining.
- 3 Anatomy A lymph node or other structure consisting of a small mass of differentiated tissue: infection in these nodes may lead to backacheMore example sentences
- Fixed, firm, or matted lymph nodes and nodes larger than 1.5 cm require further evaluation.
- Some of the calcium channel blockers also exert an inhibitory effect on the sinus and atrioventricular nodes, causing the heart rate to slow.
- Computed tomographic scan of the chest and abdomen revealed multiple enlarged nodes in the retroperitoneum, superior mediastinum, and axillae.
- 4 Physics & Mathematics A point at which the amplitude of vibration in a standing wave system is zero.More example sentences
- While in St Petersburg he made one of his most famous discoveries when he defined the simple nodes and the frequencies of oscillation of a system.
- Here a beam selectively pushes one size of particles toward a standing light wave, which directs the particles toward its nodes.
- 4.1A point at which a harmonic function has the value zero, especially a point of zero electron density in an orbital.More example sentences
- Consider a random walk on a graph where at each time point we move from the current node to one of its neighbors.
- 4.2A point of zero current or voltage.More example sentences
- The first switch group is formed by switches, which are connected to nodes between the resistors.
- Two measurement pads are in each case provided at the nodes between two resistors.
- More example sentences
- In all 15 centres, or nodal areas, have been identified nationwide.
- The Indian Coast Guard has been nominated as the nodal agency that will coordinate any work related to oil spills with the new equipment in place.
- The railway station, which earlier handled goods trains, is now a nodal centre for passenger and express trains.
late Middle English (denoting a knotty swelling or a protuberance): from Latin nodus 'knot'.