What is a blast?
Surely, many people know such phrases as “burst of laughter”, “burst of emotions”, “burst of applause”, “population explosion”. And, of course, this word is strongly associated with military actions and terrorist acts (bomb blast, mine blast, explosive device). Explosions can also occur in a peaceful environment, for example, in a chemical laboratory: an explosion of reagents; and even in the home kitchen sometimes digested eggs explode, in a pot with which water boiled away. So what is a blast? Why is such a wide use of this word in various combinations acceptable? Let's try to figure it out.
According to the explanatory dictionary, an explosion is a very fast, almost instantaneous destruction of something. As a rule, this phenomenon is accompanied by the release of large amounts of energy and the formation of heated gases. The basis of an explosion as a physicochemical phenomenon is the process of expansion of gases or vapors (nuclear or chemical reaction), destroying other objects. Such explosions are divided into:
- explosions under pressure
The explosion is also called the crash and crash that accompany this phenomenon.
In a figurative sense, the word "explosion" is used to designate a sudden and noisy manifestation of something. In this case, it is just possible to talk about an explosion of laughter, an explosion of applause. The explosion is also called the rapid manifestation of feelings: an explosion of indignation, for example.
If we are talking about a population explosion, then this is exactly the case when this word is used to mean a quick and abrupt transition from the old quality to the new. The population explosion is a sharp increase in the birth rate and an increase in the number of the population.
As you can see, the explosions can be quite peaceful phenomenon. And even explosive devices are not always designed for destruction. This, for example, firecrackers, firecrackers, bath bombs.
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