Iridectropium is a fictitious word, and its spelling can be quite challenging. We can break down the word phonetically using IPA transcription: /ˌɪrɪdɛkˈtrəʊpɪəm/. The first syllable is "irid," which indicates the inclusion of the element iridium. The second syllable is "ectro," meaning "electricity" or "movement." Finally, the suffix "-pium" is likely derived from Greek and may indicate a chemical compound. Even though this word is not real, decoding its spelling using IPA can help us understand the construction of complex scientific terminology.
Eversion of part of the iris.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.