1. Infectious matter floating in the air.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• pasma,
• maisma,
• miamia,
• miama,
• miamai,
• meama,
• miyasma,
• measma,
• malasma,
• kiasma,
• miasmas,
• miasa,
• miasm,
• myasma,
• megasme,
• Stasmya,
• juasma,
• melasmae,
• measmas,
• hIASA

• Mishna,
• mixson,
• Mishnah,
• mikania.

The adjective form of the word "miasma" is "miasmal".