1. submix - Noun
2. submix - Verb
submix (plural submixes)
(sound recording) A mix of sounds from several instruments of the same type, prior to mixing them with further elements of the soundtrack.
submix (third-person singular simple present submixes, present participle submixing, simple past and past participle submixed)
(sound recording) To mix sounds from several instruments of the same type, prior to mixing them with further elements of the soundtrack.