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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.
The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BC. [2] [3] It was derived from the earlier Phoenician alphabet, [4] and is the earliest known alphabetic script to have developed distinct letters for vowels as well as consonants. [5]
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 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 ...
Not often identifiable in Greek art, she appeared as a modestly veiled woman. Her symbols are the hearth and kettle. She plays little role in Greek myths, and although she is omitted in some lists of the twelve Olympians in favour of Dionysus, no ancient tale tells of her abdicating or giving her seat to Dionysus. [47]
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.