Strong’s Greek
G3393 — miasma
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
μίασμα
miasma — pronounced mee'-as-mah
from 3392 ("miasma"); (morally) foulness (properly, the effect):--pollution. see GREEK for 3392
1 occurrence in the KJV.
2 Peter 2:20
For if after they have escaped the pollutions of the world through the knowledge of the Lord and Saviour Jesus Christ, they are again entangled therein, and overcome, the latter end is worse with them than the beginning.