The word "kilgallon" is spelled with the IPA phonetic transcription /kɪlˈɡælən/. This word is a proper noun, and is typically used as a surname. The first syllable "kil" is pronounced as "kɪl", like the word "kill", and the second syllable "gal" is pronounced as "ɡæl", like the word "gal". The final syllable "lon" is pronounced as "ən", like the unstressed vowel sound in the word "button". Together, these sounds create the unique and distinctive pronunciation of the word "kilgallon".