Abbreviations constitute a significantly salient part of any scientific discipline and hence scientific language of our modern age. Only recently the world has witnessed an unprecedented expansion of learning and science and that a hell of countless and a whole system of naming or nomenclature is needed to produce the proper naming taxonomy. Hence, many words and terms have been utilized to express the newly emerging concepts. Many of them are compound phrases and high-frequency terms, and if we use them as they are, our speech and writing become very lengthy and boring. That is why people prefer the short forms (abbreviations) for frequently used compound phrases.