Synonyms for

Sigma

Verb / ˈsɪgmʌ / Another word for sigma — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

Sigma is the eighteenth letter of the Greek alphabet (Σ, σ). It is used in mathematics and science to represent the sum of a set of values.

Synonyms & similar words

sum total aggregate amount whole entirety reckoning tally score count addition summation calculation math mathematics science algorithm computation equation formula

Synonyms by register

Formal

sum total aggregate entirety

Informal

whole lot bunch heap mass

Literary

completeness universality

Antonyms

alpha beginning start origin introduction preface

Common collocations

  • sigma level
  • sigma quality
  • sigma rule
  • sigma bond
  • sigma notation
  • sigma algebra
  • sigma function

Word family

noun sigma

Usage note

Primarily used in mathematics and statistics for summation or as the 18th letter of the Greek alphabet. Can also refer to a 'sigma male' in informal, often pseudoscientific, social contexts.

Example sentences

  1. The teacher wrote sigma on the board to represent the sum of the numbers.
  2. Sigma is used in science to represent a summation of values.
  3. The mathematician used sigma to solve the equation.
  4. The sigma value was calculated to be 2.5.
  5. The formula required the use of sigma to calculate the total.

Quotes

  • The sum of all sums is represented by sigma.
  • Sigma is the superhero of mathematics, always saving the day.
  • Without sigma, math and science would be lost.

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