additiveadj USA: æ'dʌ·tɪ·v UK: ædɪtɪv
additive geneexp USA: æ'dʌ·tɪ·v ʤiː'n UK: ædɪtɪv ʤiːn
antiknock additiveexp USA: æ"ntiː·nɔ'k æ'dʌ·tɪ·v UK: æntɪnɔk ædɪtɪv
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