Strong's #2434: hilasmos (pronounced hil-as-mos')

atonement, i.e. (concretely) an expiator:--propitiation.

Thayer's Greek Lexicon:

̔́

hilasmos

1) an appeasing, propitiating

2) the means of appeasing, a propitiation

Part of Speech: noun masculine

Relation: a root word

Citing in TDNT: 3:301, 362

Usage:

This word is used 2 times:

 

1 John 2:2: "And he is the propitiation for our sins: and"
1 John 4:10: "and sent his Son to be the propitiation for our sins."