Pronunciation: (krip'tō), [key]
—n., pl. -tos,
a person who secretly supports or adheres to a group, party, or belief.
secret or hidden; not publicly admitted: a crypto Nazi.
a combining form meaning “hidden,” “secret,” used in the formation of compound words: cryptograph.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.