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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.
mass density usually simply called density kilogram per cubic meter (kg/m 3) volume charge density: coulomb per cubic meter (C/m 3) resistivity: ohm meter (Ω⋅m) sigma: summation operator area charge density: coulomb per square meter (C/m 2) electrical conductivity: siemens per meter (S/m) normal stress: pascal (Pa)
The symbol most often used for density is ρ (the lower case Greek letter rho), although the Latin letter D can also be used. Mathematically, density is defined as mass divided by volume: [ 1 ] ρ = m V , {\displaystyle \rho ={\frac {m}{V}},} where ρ is the density, m is the mass, and V is the volume.
Some quantities are known as several different names such as the magnetic B-field which is known as the magnetic flux density, the magnetic induction or simply as the magnetic field depending on the context. Similarly, surface tension can be denoted by either σ, γ or T. The table usually lists only one name and symbol that is most commonly used.
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.
Zeta (UK: / ˈ z iː t ə /, US: / ˈ z eɪ t ə /; [1] uppercase Ζ, lowercase ζ; Ancient Greek: ζῆτα, Demotic Greek: ζήτα, classical [d͡zɛ̌ːta] or zē̂ta; Modern Greek: zíta) is the sixth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 7.
The snake and phallus were symbols of Dionysus in ancient Greece, and of Bacchus in Greece and Rome. [306] [307] [308] There is a procession called the phallophoria, in which villagers would parade through the streets carrying phallic images or pulling phallic representations on carts. He typically wears a panther or leopard skin and carries a ...
Etymologically it is a nominalized adjective formed with a -ios suffix from the stem Dionys- of the name of the Greek god, Dionysus, [1] parallel to Apollon-ios from Apollon, with meanings of Dionysos' and Apollo's, etc. The exact beliefs attendant on the original assignment of such names remain unknown.