Entry 1 sense Webster, 1913 Aërotherapeutics /(ā`ẽr*ō̇*thẽr`ȧ*pū"tĭks)/ · A·ër·o·ther·a·peu·tics · IPA 01 n. Treatment of disease by the use of air or other gases. 1. Treatment of disease by the use of air or other gases.(Med.)