A
The correct answer is Delta. The uppercase Delta looks like a triangle with the point up.
The symbol is called DELTA and looks like a triangle. -----> Δ <----
The abbreviation for nanometer is "nm". No Greek letters are used in this case.
The Greek letter B ( called vita) represents the voiced labio-dental fricative V.
Iota is the ninth, and smallest, letter of the Greek alphabet, and, by extension, a very small quantity of something.
The letter ς is called "sigma" and is the lowercase form of the Greek letter Σ (sigma). In modern Greek, it represents the "s" sound, while the uppercase Σ represents the same sound at the beginning of a word or in all-caps text. However, in ancient Greek, the letter ς (sigma) was only used at the end of words, while the letter σ (sigma) was used elsewhere
An arithmetic average is usually represented by the Greek letter mu.
Chi is a three-letter word that identifies both a Greek letter and an abbreviation for Chicago. It is the twenty-third letter in the Greek alphabet. It also represents the IATA (International Air Transport Association) code for all airports in Chicago, Illinois.
Gamma rays. γ rays.
It is the least used letter and represents the greek "koppa"
The Greek letter for "D" is Delta, represented by an open equilateral triangle. It signifies change.
If you mean the letter x, then it represents an unknown quantity in an equation. If you mean the multiplication symbol, then it represents... well... the operation of multiplication. If it's kind of a weird, script-looking x, it might be a Greek chi, which is used in statistics to represent a particular metric for determining how well a given curve fits a set of data points.
Greek letters are letters, they dont mean anything out of context.