English dictionary
Hint: In most browsers you can lookup any word by double click it.
English noun: sigma | |||
| 1. | sigma (communication) the 18th letter of the Greek alphabet | ||
| Broader (hypernym) | alphabetic character, letter, letter of the alphabet | ||
| Member meronym | Greek alphabet | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk
Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk