nounDownload🔗ShareThe twenty-third letter of Classical and Modern Greek and the twenty-fifth letter of Old and Ancient Greek.Examples:"In Greek alphabet exercises, students learn that psi comes after chi. "languagewritingwordsigncharacterphoneticslinguisticsChat with AIVocabulary GamePractice Reading
nounDownload🔗ShareA form of psychic energy.Examples:"The character in the movie could move objects with just his mind, suggesting he had a powerful amount of psi. "energymindsupernaturalscienceChat with AIVocabulary GamePractice Reading