Sigma - Meaning, Definition & English Examples
Sigma is the eighteenth letter of the Greek alphabet, often used in mathematics and science to represent summation or standard deviation. It also appears in various academic and technical contexts.
Definition:
The eighteenth letter of the Greek alphabet, often representing summation in mathematics.
Synonyms:
summation, total, sum
Part of Speech:
noun
Antonyms:
alpha, omega
Common Collocations:
sigma notation, sigma male, sigma bond
Derivatives:
sigmas, sigmoid
Usage Tips:
Use "sigma" in math contexts for summation or to refer to the Greek letter in language discussions.
Common Phrases:
six sigma, sigma male, sigma notation
Etymology:
Derived from the Greek letter "σίγμα," originally from Phoenician "šīn."
Examples:
- 1. The Greek letter sigma is used in many equations.
- 2. She learned about sigma notation in her math class.
- 3. The word "sigma" comes from ancient Greek.
- 4. Some people admire the traits of a sigma male.