The word "THIO UMP" is spelled with the following IPA phonetic transcription: /θaɪoʊ ʌmp/. The first syllable "THIO" is pronounced with a "th" sound like in "think", followed by an "i" as in "kite" and an "o" as in "go". The second syllable "UMP" is pronounced with an "uh" sound like in "hut", followed by an "m" and a "p" sound like in "map". Together, the word "THIO UMP" refers to a chemical compound that contains both sulfur and oxygen atoms.