The spelling of the word "rale indux" can be explained using IPA phonetic transcription. The first word, "rale", is pronounced /reɪl/ and refers to a rattling sound in the chest caused by an obstruction of the air passages. The second word, "indux", is pronounced /ɪnˈdʌks/ and means to bring about or to induce. Together, the phrase "rale indux" may refer to the induction of a rattling sound in the chest as a result of a medical condition.
The crepitant r. heard in pneumonia in the stage of beginning consolidation.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.