Strong's #5457: phos (pronounced foce)
from an obsolete phao (to shine or make manifest, especially by rays; compare 5316, 5346); luminousness (in the widest application, natural or artificial, abstract or concrete, literal or figurative):--fire, light.
Thayer's Greek Lexicon:
1a) the light
1a1) emitted by a lamp
1a2) a heavenly light such as surrounds angels when they appear on earth
1b) anything emitting light
1b1) a star
1b2) fire because it is light and sheds light
1b3) a lamp or torch
1c) light, i.e brightness
1c1) of a lamp
2a) God is light because light has the extremely delicate, subtle, pure, brilliant quality
2b) of truth and its knowledge, together with the spiritual purity associated with it
2c) that which is exposed to the view of all, openly, publicly
2d) reason, mind
2d1) the power of understanding especially moral and spiritual truth
Part of Speech: noun neuter
Relation: from an obsolete phao (to shine or make manifest, especially by rays, compare G5316, G5346)
Citing in TDNT: 9:310, 1293
This word is used 70 times:
2 Corinthians 6:14: "and what communion hath light with darkness?"
2 Corinthians 11:14: "is transformed into an angel of light."
Ephesians 5:8: "darkness, but now are ye light in the Lord: walk as"
Ephesians 5:8: "walk as children of light:"
Ephesians 5:13: "are made manifest by the light: for whatsoever doth make manifest is"
Ephesians 5:13: "whatsoever doth make manifest is light."
Colossians 1:12: "of the inheritance of the saints in light:"
1 Thessalonians 5:5: "are all the children of light, and the children of the day: we are"
1 Timothy 6:16: "hath immortality, dwelling in the light which no man can approach unto; whom no man"
James 1:17: "from the Father of lights, with whom is no"
1 Peter 2:9: "darkness into his marvelous light:"
1 John 1:5: "that God is light, and in him is"
1 John 1:7: "we walk in the light, as he is in"
1 John 1:7: "is in the light, we have fellowship one with another,"
1 John 2:8: "and the true light now shineth."
1 John 2:9: "he is in the light, and hateth his brother,"
1 John 2:10: "abideth in the light, and there is none occasion of stumbling"
Revelation 18:23: "And the light of a candle shall shine no more at all in thee;"
Revelation 21:24: "shall walk in the light of it: and the kings"
Revelation 22:5: "they need no candle, neither light of the sun; for the Lord God"