The word "dequantitate" is spelled as /diːˈkwɒntɪteɪt/. It is a term used in scientific research that means to remove or reduce the level of quantity in a sample or experiment. The spelling of this word follows the general rules of English phonetics, where each letter represents a specific sound. The "d" sound is followed by a long "e" sound, then a "kw" sound, a short "o" sound, an "n" sound, and so on. The IPA phonetic transcription simplifies this spelling by breaking it down into individual sounds that make up the word.