Rhodinal is a chemical compound commonly used in photography as a developer. The spelling of this word follows the International Phonetic Alphabet (IPA) rules, where "ro" represents the sound /roʊ/ as in "road," "di" represents the sound /daɪ/ as in "dine," and "nal" represents the sound /næl/ as in "anal." The stress is on the second syllable, making the correct pronunciation /ˈroʊdaɪnæl/. The correct spelling and pronunciation of technical terms such as Rhodinal is essential for clear communication and understanding in specialized industries.