Permix is a word that refers to a mixture that is uniform throughout. It is spelled as /pərˈmɪks/, which means that the 'per' sound is pronounced as 'puh', the 'mi' is pronounced as 'me', and the 'x' is pronounced as 'ks'. The 'ə' is an unstressed vowel sound that is commonly referred to as a 'schwa'. The spelling of Permix may seem unusual but it is often used in scientific and technical contexts when referring to a homogeneous mixture.