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node

 [nohd]   Example Sentences Origin

node

   [nohd]
noun
1.
a knot, protuberance, or knob.
2.
a centering point of component parts.
3.
Anatomy. a knotlike mass of tissue: lymph node.
4.
Pathology. circumscribed swelling.
5.
Botany.
a.
a joint in a stem.
b.
a part of a stem that normally bears a leaf.
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6.
Mathematics. knot (def. 12).
7.
Geometry. a point on a curve or surface at which there can be more than one tangent line or tangent plane.
8.
Physics. a point, line, or region in a standing wave at which there is relatively little or no vibration.
9.
Astronomy. either of the two points at which the orbit of a heavenly body intersects a given plane, especially the plane of the ecliptic or of the celestial equator. Compare ascending node, descending node.
10.
Linguistics. an element of a tree diagram that represents a constituent of a linguistic construction.
11.
Optics. nodal point.
12.
Engineering. panel point.
13.
nodus.
COLLAPSE
Origin:
1565–75; < Latin nōdus knot
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Node is always a great word to know.
So is femur. Does it mean:
the thighbone of the human leg, extending from the pelvis to the knee, that is the longest, largest, and strongest in the body
a pair of the largest nerves in the body that originate in the lower back and extend down to above the knees, where they divide into other nerves
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Example Sentences
  • But only with the popularity of sentinel node testing has the question of micrometastasis entered everyday medical practice.
  • The scientific discipline of ecology has thus been, in some sense, a key node in an ecology of scientific disciplines.
  • Every node in the power grid should be awake, responsive and in communication with every other node.
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Collins
World English Dictionary
node (nəʊd)
 
—n
1.  a knot, swelling, or knob
2.  the point on a plant stem from which the leaves or lateral branches grow
3.  physics See also standing wave Compare antinode a point at which the amplitude of one of the two kinds of displacement in a standing wave has zero or minimum value. Generally the other kind of displacement has its maximum value at this point
4.  maths Also called: crunode a point at which two branches of a curve intersect, each branch having a distinct tangent
5.  maths, linguistics one of the objects of which a graph or a tree consists; vertex
6.  astronomy either of the two points at which the orbit of a body intersects the plane of the ecliptic. When the body moves from the south to the north side of the ecliptic, it passes the ascending node; moving from the north to the south side, it passes the descending node
7.  anatomy
 a.  any natural bulge or swelling of a structure or part, such as those that occur along the course of a lymphatic vessel (lymph node)
 b.  a finger joint or knuckle
8.  computing an interconnection point on a computer network
 
[C16: from Latin nōdus knot]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

node
1572, "a knot or complication," from L. nodus "knot." Originally borrowed c.1400 in L. form, meaning "lump in the flesh." Meaning "point of intersection" (originally of planetary orbits with the ecliptic) first recorded 1665.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

node (nōd)
n.

  1. A knob, knot, protuberance, or swelling.

  2. A protuberant growth or swelling in a tissue.

  3. A knuckle or finger joint.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
node   (nōd)  Pronunciation Key 

  1. Anatomy A small mass or lump of body tissue that either occurs naturally, as in the case of lymph nodes, or is a result of disease.

  2. Botany

    1. A point on a stem where a leaf is or has been attached.

    2. A swelling or lump on a tree; a knob or knot.

    3. Either of the two points on the celestial sphere at which the path of a revolving body, such as the Moon, a planet, or a comet, intersects the ecliptic. ◇ The point at which the body traverses from south of the ecliptic to north is the ascending node. The opposite point, when the body traverses the ecliptic from north to south, is the descending node.

    4. Either of the two points at which the orbit of an artificial satellite intersects the equatorial plane of the planet it is orbiting.

  3. Physics A point or region of a vibrating or oscillating system, such as the standing wave of a vibrating guitar string, at which the amplitude of the vibration or oscillation is zero. Harmonic frequencies in oscillating systems always have nodes. Compare antinode.

  4. Astronomy

    1. Either of the two points on the celestial sphere at which the path of a revolving body, such as the Moon, a planet, or a comet, intersects the ecliptic. ◇ The point at which the body traverses from south of the ecliptic to north is the ascending node. The opposite point, when the body traverses the ecliptic from north to south, is the descending node.

    2. Either of the two points at which the orbit of an artificial satellite intersects the equatorial plane of the planet it is orbiting.

  5. Computer Science A computer or a peripheral that is connected to a network.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
FOLDOC
Computing Dictionary

node definition


1. A point or vertex in a graph.
2. network node.
3. A hypertext document.

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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