What is the meaning of Α?

The fine structure constant.

  1. a value of approximately 1/137 = 0.0072973525

a value of approximately 1/137 = 0.0072973525

Represents angular acceleration.

Used in chemical nomenclature.

Used to identify some bright star, usually the brightest star, of a constellation, for instance α-Centauri.

Alexandroff compactification.

An open back rounded vowel (IPA [ɒ]).

independence number

right ascension

The first letter of the Arvanitic Albanian Greek-script alphabet.

Lower-case alpha (ἄλφα), the first letter of the ancient Greek alphabet. It represented the open front or central unrounded vowel /a/. It is followed by β.

feminine nominative singular of ο (o)

The first letter of the Tsakonian alphabet.

Lower-case άλφα (álfa, alpha), the first letter of the modern Greek alphabet. Represents the open front unrounded vowel: /a/.

Expresses wonder, surprise or joy; ah, ooh, oh, wow:

Expresses desire or wish; oh:

Expresses anger or threat; oh:

Expresses impatience; oh, ah:

Expresses confirmation of a fact; oh, ah:

Expresses desire against; oh, ah:

Answer word, can be either positive or negative; eh, meh:

Answer word of indifference; meh:

Contraction of άντε (ánte).

Source: wiktionary.org