#Cid#, pr. n. m. Ruy Díaz de Bivar, called El Cid Campeador (the greatest medieval military hero of Spain, who took Valencia from the Moors in 1094, and died there in 1099).

#cielo#, m. heaven.

#ciencia#, f. science; #a —— cierta#, for a certainty.

#científicamente#, scientifically.

#científico, -a#, scientific.

#ciertamente#, certainly.

#cierto, -a#, true, certain; a certain; #de ——#, for certain; #por ——#, to be sure.

#cinco#, five; #el día ——#, the fifth day.

#circunstancia#, f. circumstance.

#ciudad#, f. city.