A knot is ...? Values of a word

The word "node" has many meanings and is used in various fields, such as mechanics, marine science and computer technology.

The meaning of the word "node"

A knot is a method of joining different materials: ropes, cloth, etc. You can create a node by binding, tangling, interlacing. In addition to practical purposes (fixing an object, binding two or more ropes, thickening ropes as insurance, etc.), there are many decorative nodes. By the way, there is a Turkish TV series Kordugum, which was translated into Russian as "The Dead Knot", It tells about the fate of three people, lives that are strongly intertwined.

In St. Petersburg, near the metro station "Chernaya Rechka", there is a place called among the Petersburgers a dead knot. So they nicknamed the intersection near the station for its danger and complexity.

In the technique

In navigation and aviation, a node is a unit of measurement of speeds. One node is 1.852 km / h. Also called a few assembled in one piece. The node of the chain is called in the electrical circuit the place where the conductors are connected. A certain device that is part of a computer network is called a "network node". The same term is also found in botany - it denotes that patch on the stem on which the lateral organs form. In chemistry there is a definition of a "crystal lattice site". In mathematics, there are also a number of terms associated with the word "knot". This, for example, knot theory is a whole section of topology that studies how one-dimensional manifolds are embedded in spheres or Euclidean space.

Winged phrase

There is the expression "Gordian knot". It in a figurative sense denotes a complex combination of circumstances. To cut down the Gordian knot means resolutely and rectilinearly to resolve an intricate situation.

An ancient legend says that the Phrygians in the fourth century BC. E. Remained without a ruler and came to the oracle. They were interested in who deserved to become king of Phrygia. According to the prediction, the ruler was to be the one who first meets them on the road leading to the temple of Zeus, and a man must ride on a wagon. He was a landowner, a simple and poor Gordius. People did not disobey the oracle, and Gordius became king, founded a new capital, in the citadel of which he installed the wagon on which he once rode to the temple of Zeus. The yoke of the cart was entangled by a very complex knot, using a dogwood bark as a rope. There is a tradition that a man who can unravel a knot will become ruler of Asia.

Alexander the Great conquered the capital of Phrygia in 334. When he entered the citadel and heard the story of the legendary knot, the young warrior immediately tried to untie him, but nothing happened. Then he drew his sword from his scabbard, and cut it with one blow. The priests allegedly explained that Alexander would conquer Asia by the sword, but not by diplomacy.

Other values

The node is also the intersection of the railway lines. A communication node refers to the point at which postal items are distributed or telephone communication is carried out. A knot is a thing tied up in a kerchief or products.

Phoniatrics is a special section in medicine that studies various pathologies of the voice, as well as methods for their prevention and treatment. A common problem among people whose profession is related to voice is the knots appearing on the bundles. These are benign seals and proliferation of ligament tissue, they are associated with a high load. At first the nodule is just a small seal, then begin to expand and compact so that it becomes like corns. Continuation of extreme loads leads to an even greater expansion of the nodes, smoking contributes greatly to this. Hoarseness is the main symptom of knots on ligaments. The main method of treatment is observance of the rules of hygiene of the voice, prolonged silence, restriction of loads. In advanced cases, it is possible to solve the problem surgically.