The word "dypnone" is spelled as /daɪpnoʊn/. The initial "dy" represents the sound "daɪ", which consists of two sounds "d" and "aɪ". The "p" and "n" represent their respective sounds. The final "e" is silent and serves to indicate that the previous vowel should be pronounced long. Therefore, the word is pronounced as "daɪpnoʊn". It is a chemical compound with a molecular formula of C10H8O, which is used in the production of pharmaceuticals and agrochemicals.