The spelling of the word "GLYCEROLP" can be explained using the International Phonetic Alphabet (IPA) phonetic transcription. The first four letters, "GLYC," represent the sound /ɡlaɪs/, which is pronounced with a hard "g" followed by a long "i" sound and an "s" sound. The next four letters, "EROL," represent the sound /ˈɛrəl/, pronounced with the stress on the first syllable and a soft "r" sound. The final letter, "P," represents the sound /pi:/, pronounced with a long "p" sound. Overall, the word sounds like "GLY-suh-rol-p" when pronounced.