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node

A node is a round swelling. Some are abnormal, like a node you discover on your knee, but others, such as a lymph node, are a normal part of your immune system.

You can find a node on a plant: it’s the swelling on the stem marking the spot where leaves emerge. Node can also refer to a major connecting point. The central subway station is a major node in your city’s transportation system. Computer techs know that a node can also be a piece of equipment — like your cable modem — in a computer network. In a sense, that kind of node is also a connecting point.

PRIMARY MEANINGS OF: node

1
 n
any thickened enlargement
2
 n
(physics) the point of minimum displacement in a periodic system
3
 n
the source of lymph and lymphocytes
4
 n
(computer science) any computer that is hooked up to a computer network
5
 n
a connecting point at which several lines come together
FULL DEFINITIONS OF: node
1

n any thickened enlargement

Synonyms:
knob, thickening
Type of:
convex shape, convexity
a shape that curves or bulges outward

n any bulge or swelling of an anatomical structure or part

Types:
nodule
a small node
Type of:
solid body substance
the solid parts of the body

n (botany) the small swelling that is the part of a plant stem from which one or more leaves emerge

Synonyms:
leaf node
Type of:
enation, plant process
a natural projection or outgrowth from a plant body or organ
2

n (physics) the point of minimum displacement in a periodic system

Antonyms:
antinode
(physics) the point of maximum displacement in a periodic system
Type of:
point
the precise location of something; a spatially limited location
3

n the source of lymph and lymphocytes

Synonyms:
lymph gland, lymph node
Types:
axillary node
any of the lymph glands of the armpit; fights infections in the neck and chest and arm regions
Peter's gland, Peyer's patch
any of several lymph nodes in the walls of the intestines near the junction of the ileum and colon
bubo
a lymph node that is inflamed and swollen because of plague or gonorrhea or tuberculosis
Type of:
lymphatic tissue, lymphoid tissue
tissue making up the lymphatic system
4

n (computer science) any computer that is hooked up to a computer network

Synonyms:
client, guest
Type of:
computer, computing device, computing machine, data processor, electronic computer, information processing system
a machine for performing calculations automatically
5

n a connecting point at which several lines come together

Type of:
connection, connexion, link
a connecting shape

n (astronomy) a point where an orbit crosses a plane

Types:
ascending node
the point at which an orbit crosses the ecliptic plane going north
descending node
the point at which an orbit crosses the ecliptic plane going south
Type of:
celestial point
a point in the heavens (on the celestial sphere)
Launch
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