Nuvacron is a pesticide that has been used to control various pests in agriculture. The spelling of this word can be explained using International Phonetic Alphabet (IPA) transcription. The first syllable, "nu", is pronounced as /nuː/, with a long "u" sound. The second syllable, "va", is pronounced as /və/, with a short "a" sound. The final syllable, "cron", is pronounced as /krɒn/, with a pronounced "o" sound and a short "r" sound. Together, the word is pronounced as /ˈnuːvəkrɒn/.