Technology

Definition of percolation

Percolation is the act and result of percolating, a verb that refers to what happens to a liquid when it moves through a porous medium. Percolation implies that the fluid slowly passes through the pores of the material. The process is usually carried out to obtain the soluble part of a solid substance, […]

Definition of photometry

Photometry is the area of ​​optics that studies the laws related to light intensity. The term also refers to the process that allows the intensity of light to be measured. Light measurement What photometry does is analyze how electromagnetic radiation stimulates vision. For this purpose, it uses a variety of optical techniques, including optical and optical […]

Definition of photogrammetry

Photogrammetry is the technique that uses aerial photographs to obtain plans of a large area. This resource is used in the field of topography. Three-dimensional measurement Using photogrammetry, it is possible to know the dimensions, shape and location in space of a body or object.

Definition of luxometer

A luxmeter is a device used to measure light intensity. These devices express their results in lux: a unit of the international system. Lux A lux, whose symbol is lx, is equivalent to the illuminance of an area reached by a luminous flux of 1 lumen per meter […]

Definition of phonogram

Phonogram is the letter – or group of letters – that allows the representation of a phoneme. This meaning is framed in the field of linguistics. A phoneme is the phonological unit whose decomposition into smaller units is not possible and which is capable of differentiating meanings. Phoneme comes from the Greek phṓnēma, which means […]

Definition of dressing

A dressing is a product that is applied to an injury, covering it. This word comes from the Latin apposĭtum. Fastening Dressings can be fastened with a bandage, cloth or similar item. In some cases they are self-adhesive, which means they can cover the wound without the need for any additional implement. When we fasten them […]

Definition of metallography

Metallography is the discipline dedicated to the analysis of the properties and structure of metals and alloys. The concept also refers to the practice that consists of the development of this type of study. Procedure The first step is to make a cut. Then, a mount is made and the sample is taken to […]

Definition of odometer

An odometer is a device used to measure distances. The etymological origin of the term is found in the Greek word hodómetron, formed in turn by hodós (which can be translated as “path”) and metron (translatable as “that measures”). General characteristics Odometers, therefore, are instruments that reveal a distance […]

Definition of junk

A cacharro can be a container, a pot or a glass. The concept, in any case, has several uses that depend largely on the context, but also on the geographic region and the age of the Spanish speaker. Examples Let’s look at three example sentences of the term cacharro with the meaning of container, pot or glass: “My […]

Definition of penknife

A penknife is a small pocket knife. Named in some countries as a cortapluma (without the final S), this instrument was originally used to cut the pens used when writing. Folding knife Nowadays, a small folding knife is called a penknife, although the first penknives could be used to cut […]