Macrodex is a word that is spelled according to its phonetic pronunciation. It is pronounced as /makrəʊdɛks/ in IPA or "mah-kroh-deks." The word is often used in medical contexts to refer to a solution that is commonly administered intravenously to patients. The spelling of the word is a combination of the prefix "macro," meaning large or long, and "dex," which is short for dextrose, a type of sugar. The exact spelling of the word may vary, depending on the context or the source.