SIGMA

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

The 18th letter of the Greek alphabet

Classified under:

Nouns denoting communicative processes and contents

Hypernyms ("sigma" is a kind of...):

alphabetic character; letter; letter of the alphabet (the conventional characters of the alphabet used to represent speech)

Holonyms ("sigma" is a member of...):

Greek alphabet (the alphabet used by ancient Greeks)

Credits