Technology

Definition of Boolean Algebra

Boolean algebra is that which appeals to algebraic notions for the treatment of statements of propositional logic. The most common operations are binary, which require two arguments. In this framework, a logical conjunction is called the true result that is obtained when both statements are true: if A is true and B is false, then the result is equal to the sum of the two statements.

Definition of alphanumeric

The adjective alphanumeric is used to describe something that is made up of numbers, letters and other types of symbols. Specifically, the notion refers to the combination of letters from the Roman alphabet (also called the Latin alphabet), Arabic numbers and other characters. The concept of alphanumeric is often used in the field of computing. The term alphanumeric refers to a combination of letters from the Roman alphabet (also called the Latin alphabet), Arabic numbers and other characters.

Definition of alloy

Alloying is the process and consequence of alloying. This action, in turn, refers to melting certain elements to obtain the product known as alloy, which is made up of two or more components of which, at least, one is a metal. In order to understand the meaning of the term, it is important to analyze its […]

Definition of ajax

Ajax is a term that has multiple uses, although it is not part of the dictionary compiled by the Royal Spanish Academy (RAE). It can be, for example, the name of a famous Dutch football team. The Amsterdamsche Football Club Ajax, which is usually referred to as Ajax, was founded in 1900. The team competes in the […]

Definition of electrical insulator

The notion of electrical insulator, as is evident, is made up of two words: insulator and electrical. To know what an electrical insulator is, therefore, we first need to know what these two terms refer to. An insulator is something that manages to isolate (makes one element separate from others; or makes it impossible for heat to pass through the other element).

Definition of needle

The Royal Spanish Academy (RAE), in its dictionary, recognizes more than thirty meanings of the term “needle,” which comes from the Latin language. The first meaning refers to a small, elongated element that ends in a point and that, thanks to having a hole through which a thread can be passed, is used for knitting, embroidery […]

Definition of thermal insulation

A thermal insulator is a material that has a high thermal resistance: that is, it opposes the flow of heat. A thermal material, therefore, acts as a wall between different media, preventing heat from passing through to equalize temperatures, as happens naturally. It should be noted that the adjective insulator […]

Definition of hard water

Hard water is water that makes it difficult for soap to form foam, because it contains a high amount of magnesium and calcium bicarbonates and carbonates. To calculate the hardness of water, the concentrations of magnesium and calcium present in each litre of water are usually added together.

Definition of distilled water

The substance composed of two hydrogen atoms and one oxygen atom, which is colorless, tasteless and odorless, is called water. Distilling, on the other hand, is the act of filtering or separating a volatile substance from a fixed one through the application of heat and then cooling its vapor and converting it into water.

Definition of surveying

Surveying is the discipline or technique that consists of measuring land. The etymological origin of the term is found in a Latin word that can be translated as "the art of measuring land" and is made up of the sum of several different parts: The noun agri, which is equivalent to "cultivation field". […]