The word "ironsinter" is spelled as /ˈaɪərnˌsɪntər/. The first syllable "iron" is pronounced with a long "i" sound followed by "r" and "o" forming a diphthong. The second syllable "sinter" is pronounced with a short "i" followed by "n", "t" and "er". "Sinter" refers to a material that is made by fusing metal particles together, while "iron" refers to a heavy, ductile metallic element. Together, the word "ironsinter" refers to a specific type of sinter made from iron particles.