homogeneous mixture      
noun [ C ]  chemistry specialized uk/hɒm.əˌdʒiː.ni.əs ˈmɪks.tʃər/ /həʊ.məˌdʒiː.ni.əs ˈmɪks.tʃər/ us/hoʊ.moʊˌdʒiː.ni.əs ˈmɪks.tʃɚ/ /hɑː.məˌdʒiː.ni.əs ˈmɪks.tʃɚ/
 均质混合,均相混合物
two or more substances that have mixed completely