The word "duodiode" is spelled as [duːə'daɪəʊd]. It consists of two parts: "duo" which means "two" and "diode" which refers to a device that allows the flow of electric current in only one direction. So, "duodiode" can be defined as a device with two diodes combined in a single unit. The IPA phonetic transcription helps to understand the correct pronunciation of the word, which is important for clear communication in technical fields where such devices are used.