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What is ALPHA?

What is ALPHA: Here, we are going to learn about the word ALPHA. ALPHA – which is an abbreviation in Computer Acronyms/Abbreviations, etc.
Submitted by Anushree Goswami, on March 23, 2020


Alpha is the first and foremost letter of the Greek alphabet. In the classification of Greek numerals or numbers, it constitutes a value of 1.

Letters that taken place and occurred from alpha comprise the Latin A and the Cyrillic letter А.

In English, the noun "alpha" is used as a synonym for "beginning", or "first" (in an order of sequence), revealing its Greek roots.

In Ancient Greek, alpha was articulated [a] and could be either phonemically long ([aː]) or short ([a]).

Mathematics and Science

  • The letter alpha corresponds to a variety of concepts in physics and chemistry, consisting of:
    1. Alpha radiation
    2. Angular acceleration
    3. Alpha particles
    4. Alpha carbon
    5. Strength of electromagnetic interaction (as Fine-structure constant)
  • Alpha also corresponds to the thermal expansion coefficient of a compound in physical chemistry.
  • It is also normally used in mathematics in algebraic solutions signifying quantities such as angles.
  • Also, in mathematics, the letter alpha is used to refer to the area underneath a normal curve in statistics to represent the significance level when proving null and alternative hypotheses.
  • In zoology, it is used to name the leading and governing creature in a wolf or dog pack.
  • In aerodynamics, the letter is used as a symbol for the angle of attack of an aircraft and the word "alpha" is used as a synonym for this property.

The proportionality operator "∝" (in Unicode: U+221D) is now and then taken false for alpha.

The uppercase letter alpha is not commonly used as a symbol for the reason that it is inclined to be provided indistinguishably to the uppercase Latin A.

International Phonetic Alphabet

  • In the International Phonetic Alphabet, the letter ɑ, which appears similar to the lower-case alpha, corresponds to the open back unrounded vowel.

Alpha and Omega

  • Alpha, both as a symbol and term, is used to allude to or illustrate a range of things, consisting of the first or highly noteworthy happening of something.
  • The New Testament has God speaking out himself to be the "Alpha and Omega, the beginning and the end, the first and the last." (Revelation 22:13, KJV). Because of this symbolism, the characters and signify the left and right arguments in the APL programming language.


  • The term "alpha" has been used to refer to spot or position in the social hierarchy, examples being "alpha males" or pack leaders.

Reference: Alpha

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