Node
Node Node (n[=o]d), n. [L. nodus; perh. akin to E. knot. Cf. {Noose}, {Nowed}.] 1. A knot, a knob; a protuberance; a swelling. [1913 Webster]

2. Specifically: (a) (Astron.) One of the two points where the orbit of a planet, or comet, intersects the ecliptic, or the orbit of a satellite intersects the plane of the orbit of its primary. (b) (Bot.) The joint of a stem, or the part where a leaf or several leaves are inserted. (c) (Dialing) A hole in the gnomon of a dial, through which passes the ray of light which marks the hour of the day, the parallels of the sun's declination, his place in the ecliptic, etc. (d) (Geom.) The point at which a curve crosses itself, being a double point of the curve. See {Crunode}, and {Acnode}. (e) (Mech.) The point at which the lines of a funicular machine meet from different angular directions; -- called also {knot}. --W. R. Johnson. (f) (Poet.) The knot, intrigue, or plot of a piece. (g) (Med.) A hard concretion or incrustation which forms upon bones attacked with rheumatism, gout, or syphilis; sometimes also, a swelling in the neighborhood of a joint. --Dunglison. (h) (Mus) One of the fixed points of a sonorous string, when it vibrates by aliquot parts, and produces the harmonic tones; nodal line or point. (i) (Zo["o]l.) A swelling. [1913 Webster]

3. (Math., Computers) A special point in a graph or diagram which is attached to other points by {links}. It is often labeled and represented graphically as a box or circle. A node may represent any object which is related to other objects in a conceptual structure that can be represented as a graph, the relations being represented as links between the nodes. [PJC]

4. (Anat.) A small mass of tissue differing from other tissue in its immediate vicinity; as, a lymph node. [PJC]

{Ascending node} (Astron.), the node at which the body is passing northerly, marked with the symbol [astascending], called the Dragon's head. Called also {northern node}.

{Descending node}, the node at which the body is moving southwardly, marked thus [astdescending], called Dragon's tail.

{Line of nodes}, a straight line joining the two nodes of an orbit. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Synonyms:

Look at other dictionaries:

  • node — [nəud US noud] n technical [Date: 1300 1400; : Latin; Origin: nodus knot, node ] 1.) the place on the stem of a plant from which a leaf or branch grows 2.) a place where lines in a network cross or join 3.) a part of a computer network where… …   Dictionary of contemporary English

  • node — node. См. узел. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Node —   [engl.], Knoten …   Universal-Lexikon

  • node — [ noud ] noun count * ▸ 1 where lines cross/meet ▸ 2 small lump in body ▸ 3 where leaf grows ▸ 4 where two parts meet ▸ 5 in computing 1. ) the place where lines cross or meet, for example on a GRAPH 2. ) MEDICAL a small lump in your body 3. )… …   Usage of the words and phrases in modern English

  • node — (n.) early 15c., a knot or lump, from L. nodus knot (see NET (Cf. net) (n.)). Originally borrowed c.1400 in Latin form, meaning lump in the flesh. Meaning point of intersection (originally of planetary orbits with the ecliptic) first recorded… …   Etymology dictionary

  • node — / nodule [n] knot, growth bud, bulge, bump, burl, clot, knob, lump, protuberance, swelling, tumor; concepts 471,831 …   New thesaurus

  • node — ► NOUN technical 1) a point in a network at which lines intersect or branch. 2) a computer or other device attached to a network. 3) Botany the part of a plant stem from which one or more leaves emerge. 4) Anatomy a small mass of distinct tissue …   English terms dictionary

  • node — [nōd] n. [L nodus, a knot: see NET1] 1. a knot; knob; swelling 2. a point of concentration; central point 3. Anat. a knotty, localized swelling; protuberance 4. Astron. either of the two diametrically opposite points at which the orbit of a… …   English World dictionary

  • Node — In general, a node is a localised swelling (a knot ) or a point of intersection (a vertex). Node may refer to: In mathematics Node (autonomous system), behaviour for an ordinary differential equation near a critical point Node (graph theory), a… …   Wikipedia

  • Node — Literally a knot, a node is a collection of tissue. For example a lymph node, is a collection of lymphoid tissue. A nodule is a small node, a little collection of tissue. * * * 1. A knob or nodosity; a circumscribed swelling; in anatomy, a… …   Medical dictionary

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