A wedge is a piece that ends at a very acute dihedral angle. It can be made of metal, wood or other material and is used to adjust or tighten one solid body with another, to wedge them or to divide them. The wedge also allows you to fill a hole or a crack.
For example: “We will need a wedge to repair the damage to the wall”, “The only way to fit everything in this box is with a wedge”, “I think the shoe will only fit on my foot with the help of a wedge. ”
In this sense, for example, we could say that a wedge is the piece finished at an angle and that it is made of wood that is used in many homes around the world with the clear objective of preventing a door from closing. Thus, it remains open thanks to the fact that it is located between the door itself and the floor.
The simple machine that has the shape described above is known as a wedge. It is a double inclined plane that can move from one place to another: when the wedge moves in the direction of its pointed end, it generates a force perpendicular to the direction of movement.
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Any sharp item can act as a wedge and is used that way. A knife, nail, or chisel can therefore serve as a wedge.
Wedge, on the other hand, is a container with the appropriate shape to collect the urine and excrement of a person who, for physical or health reasons, cannot leave his bed to go to the bathroom.
Within the field of medicine and anatomy, we have to say that the term wedge is also used with other meanings. Thus, for example, that word is the one that gives its name to a part of the occipital lobe of the brain that is identified by having a wedge-shaped shape and because it is on the inner face of the brain. In addition, wedge is each of the three bones that make up the tarsus.
In the field of the media, the wedge concept is used in some countries to name the short advertising space.
It should not be overlooked either that wedge is, in the same way, a type of military and tactical formation that has been used since ancient times by armies. It consists of establishing a kind of triangle in such a way that the bravest soldiers and those with the greatest chance of obtaining victory were at the apex and on the sides.
All this without forgetting that there is also what is known as an ice wedge. This is a fissure that is created in the ground as a result of the fact that a freezing zone has occurred inside it. It is usual for it to appear, as you might imagine, in the winter season and is characterized by having a length of about three meters long.
For zoology, the cuneiform bones found in the tarsus of mammals are called wedges.
Meteorologists, finally, use the notion of wedge to name the formation of certain pressures that enter zones of different pressure and produce atmospheric changes.