Strong's #541: apaugasma (pronounced ap-ow'-gas-mah)

from a compound of 575 and 826; an off-flash, i.e. effulgence:--brightness.

Thayer's Greek Lexicon:

̓́

apaugasma

1) reflected brightness

1a) of Christ in that he perfectly reflects the majesty of God

2) effulgence

2a) shining forth, of a light coming from a luminous body (Vine)

2b) out-raying (Vincent)

Part of Speech: noun neuter

Relation: from a compound of G575 and G826

Citing in TDNT: 1:508, 87

Usage:

This word is used 1 times:

 

Hebrews 1:3: "Who being the brightness of his glory, and the express image of his person,"