Word Study
chi
OXFORD DICTIONARY
chi, n. the twenty-second letter of the Greek alphabet (X).
Idiom
chi-rho a monogram of chi and rho as the first two letters of Greek Khristos Christ. chi-square test a method of comparing observed and theoretical values in statistics.
Etymology
ME f. Gk khi
THESAURUS
chi
Calvary cross, Christogram, Greek cross, Jerusalem cross, Latin cross, Maltese cross, Russian cross, T, X, ankh, avellan cross, chi-rho, christcross, crisscross, cross, cross ancre, cross botonee, cross bourdonee, cross fitche, cross fleury, cross formee, cross fourchee, cross grignolee, cross moline, cross of Cleves, cross of Lorraine, cross patee, cross recercelee, cross-crosslet, crossbones, crosslet, crucifix, cruciform, crux, crux ansata, crux capitata, crux decussata, crux gammata, crux immissa, crux ordinaria, dagger, ex, exing, fork cross, gammadion, inverted cross, long cross, papal cross, pectoral cross, potent cross, rood, saltire, swastika, tau, trefled cross, voided crossFor further exploring for "chi" in Webster Dictionary Online