Definition of Sigma

1. Noun. The 18th letter of the Greek alphabet.

Group relationships: Greek Alphabet
Generic synonyms: Alphabetic Character, Letter, Letter Of The Alphabet

Definition of Sigma

1. n. The Greek letter Σ, σ, or &sigmat; (English S, or s). It originally had the form of the English C.

Definition of Sigma

1. a Greek letter [n -S] : SIGMATE [adj]

Medical Definition of Sigma

1. The 18th letter of the Greek alphabet, σ. (05 Mar 2000)

Lexicographical Neighbors of Sigma

sight blindness
sight draft
sight gag
sigil
sigillaria
sigillarid
sigils
SIGINT
sigisbei
sigisbeo
sigla
sigloi
siglos
siglum
sigma (current term)
sigma (current term)
sigmas
sigmate
sigmated
sigmates
sigmatic
sigmating
sigmatism
sigma bond
sigma effect
sigma factor
sigma peptide
Sigmodon
sigmodont
Sigmodon hispidus

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