ＡＬＴ LinksSentence search for ＡＬＴSentence search for エー・エル・ティーEdit in JMdict Noun1. assistant language teacher; ALT; foreign national serving as an assistant teacher of English in a Japanese classroomSee also 外国語指導助手Noun2. alanine aminotransferase; ALTMedicine, See also ＧＰＴ Discussions Log in to talk about this word.