What is this symbol η?
The uppercase letter eta (Η) is used as a symbol of enthalpy in Chemistry.
The lowercase letter η is also used to represent conformal time in Cosmology, efficiency in Telecommunications, viscosity in Rheology, and elasticity in Economics..
What does μ mean?
Micro-Micro- (Greek letter μ or legacy micro symbol µ) is a unit prefix in the metric system denoting a factor of 10−6 (one millionth). Confirmed in 1960, the prefix comes from the Greek μικρός (mikrós), meaning “small”. … It is the only SI prefix which uses a character not from the Latin alphabet.
What do the symbols δ+ and δ mean?
Illustrated Glossary of Organic Chemistry – δ+ δ+: A symbol which indicates that an atom or region with a deficiency of electron density, often because of resonance delocalization, electronegativity differences, or inductive effects.
What is M in Greek?
Greek letters are used in many ways in science, usually as an alternative to the Roman alphabet. … The symbol for “micro” as a prefix to scientific units, since “m” was already used for “milli” and “M” for “Mega”, the greek m was used, as in mm for micrometers.
Does Delta mean heat?
In chemistry delta (Δ) is used for the symbol of heat. You must have seen this symbol specially in many chemical reactions which means the reaction takes place in presence of heat. FYI in physics it means change.
What does the symbol Δ mean?
Upper-case deltaUpper-case delta (Δ) often means “change” or “the change in” in mathematics.
How is μ pronounced?
The correct spelling is ‘M’. The classical pronunciation is ‘mu’, the modern one is ‘mi’.
What is the value of μ?
Referencesymbolnamevalueμ0magnetic constant permeability of free space vacuum permeability1.25663706212NAAvogadro constant6.02214076kBoltzmann constant1.380649R = NAkgas constant8.31446261816 more rows
What is the sign of Alpha?
Alpha /ˈælfə/ (uppercase Α, lowercase α; Ancient Greek: ἄλφα, álpha, modern pronunciation álfa) is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of 1. – an ox or leader. Letters that arose from alpha include the Latin A and the Cyrillic letter А.