n. the eighteenth letter of the Greek alphabet; transliterated as S
She belonged to the Alpha Beta Sigma sorority.
Greek letter; 18thGreek letter; 18thletter in Greek alphabet
number
2 syllables
sig-ma
VocabClass lessons are designed to engage students, improve motivation in learning the subject matter, and generate better results. Long-term retention is our focus and by making the learning process fun, our gamified approach has a positive impact on this goal.
View all games!