sear with a hot iron

Strong’s Dictionary of Greek Words:

Greek:
καυτηριάζω
Transliteration:
kauteriazo
Phonic:
kow-tay-ree-ad’-zo
Meaning:
from a derivative of 2545; to brand ("cauterize"), i.e. (by implication) to render unsensitive (figuratively)
KJV Usage:
sear with a hot iron