Definitions for "ATH"
Aluminium trihydrate
Alumina Trihydrate
Aluminum trihydrate
Ath is an alphabet created by Morioka Hiroyuki for his Crest of the Stars novels. It is used primarily to write the fictional language Baronh, although the anime adaptation of the novels shows it used to write at least one other language.
Keywords:  hangup, attention
Attention Hangup
Keywords:  mean, may
ATH may mean
Keywords:  high, time
All time high.