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Alpha / ˈ æ l f ə / [1] (uppercase Α, lowercase α) [a] is the first letter of the Greek alphabet.In the system of Greek numerals, it has a value of one.Alpha is derived from the Phoenician letter aleph, which is the West Semitic word for "ox". [2]
The OpenType font format has the feature tag "mgrk" ("Mathematical Greek") to identify a glyph as representing a Greek letter to be used in mathematical (as opposed to Greek language) contexts. The table below shows a comparison of Greek letters rendered in TeX and HTML. The font used in the TeX rendering is an italic style.
This glossary of physics is a list of definitions of terms and concepts ... and is usually denoted by the Greek letter alpha (α ... The common symbols are j, J, φ ...
The Greek alphabet was the model for various others: [8] Most of the Iron Age alphabets of Asia Minor were adopted around the same time, as the early Greek alphabet was adopted from the Phoenician. The Lydian and Carian alphabets are generally believed to derive from the Greek alphabet, although it is not clear which variant is the direct ancestor.
Symbol Name Meaning SI unit of measure alpha: alpha particle: angular acceleration: radian per second squared (rad/s 2) fine-structure constant: unitless beta: velocity in terms of the speed of light c: unitless beta particle: gamma: Lorentz factor: unitless photon: gamma ray: shear strain: radian
This is a list of letters of the Greek alphabet. The definition of a Greek letter for this list is a character encoded in the Unicode standard that a has script property of "Greek" and the general category of "Letter". An overview of the distribution of Greek letters is given in Greek script in Unicode.
In physics, the fine-structure constant, also known as the Sommerfeld constant, commonly denoted by α (the Greek letter alpha), is a fundamental physical constant that quantifies the strength of the electromagnetic interaction between elementary charged particles.
The term is derived from the Greek word anemos, which means wind, and is used to describe any wind speed instrument used in meteorology. Angle of attack – In fluid dynamics , angle of attack ( AOA , or α {\displaystyle \alpha } ) is the angle between a reference line on a body (often the chord line of an airfoil ) and the vector representing ...