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Rho (/ ˈ r oʊ /; uppercase Ρ, lowercase ρ or ϱ; Greek: ρο or ρω) is the seventeenth letter of the Greek alphabet. In the system of Greek numerals it has a value of 100. It is derived from Phoenician letter res .
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]
The Bayer designation naming scheme for stars typically uses the first Greek letter, α, for the brightest star in each constellation, and runs through the alphabet before switching to Latin letters. In mathematical finance , the Greeks are the variables denoted by Greek letters used to describe the risk of certain investments.
Archaic letter denoting the presence of /h/ prior to a long diphthong, with a normal or low pitch ᾏᾇ: Alpha with subscript iota and circumflex and rough breathing: Archaic letter denoting the presence of /h/ prior to a long diphthong, with a high or falling pitch Έέ: Epsilon with acute: High pitch on short vowel or rising pitch on long ...
The new letter Omega (Ω) to denote the long half-open [ɔː] sound was invented first in the East, in the Ionian cities of Asia Minor, at some time before 600 BC. It was created by breaking up the closed circle of the Omicron (Ο), initially near the side. The letter was subsequently turned upright and the edges curled outwards (, , , ).
The initial letter rho of Ancient Greek (which always carried a rough breathing) was transcribed in Latin as 'rh', 'r' for the letter and 'h' for the rough breathing. It was not transcribed 'hr' which would be just as logical.
In phonetics, rhotic consonants, or "R-like" sounds, are liquid consonants that are traditionally represented orthographically by symbols derived from the Greek letter rho (Ρ and ρ), including R , r in the Latin script and Р , p in the Cyrillic script.
Rho (Ρ or ρ) is a letter of the Greek alphabet. Rho or RHO also may refer to: Use as a symbol. Mathematics and statistics. ρ, radial coordinate in the polar ...