Strong's #194: akratos (pronounced ak'-rat-os)
 from 1 (as a negative particle) and a presumed derivative of 2767; undiluted:--without mixture.
Thayer's Greek Lexicon:
 ̓́ 
 
  akratos 
 
 1) unmixed, pure
 
  Part of Speech: adjective
Relation: from G1 (as a negative particle) and a presumed derivative of G2767
 
Usage:
This word is used 1 times:
Revelation 14:10: "wrath of God, which is poured out  without mixture into the cup of his"