Ukuambient = Ukulele + Psybient
Ukuambient is an ukulele focused genre subset of psychedelic ambient music.
Okay, so what is psybient music?
Psybient is a genre of music that is an offshoot of ambient with psychedelic and world elements. It can also be described as psyambient, psychill, downtempo, chillout (or chill out), psydub, ambient dub, electronic, etc.