The spelling of the word "parresine" can be explained using the International Phonetic Alphabet (IPA) symbols. It is pronounced /pəˈrɛsɪn/. The first syllable, "par," is pronounced with a short "a" sound, followed by a soft "r" sound. The second syllable, "re," is pronounced with a long "e" sound. The final syllable, "sine," is pronounced with a short "i" sound followed by a silent "e." Overall, the pronunciation of "parresine" is puh-REH-sin.
Trade name of a mixture of paraffins, melting at 117°F., employed as a protective dressing to burns and denuded surfaces.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.