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acrylamide
acrylate
acrylate resin
acrylic
acrylic acid
acrylic resin
acrylonitrile
ACT
act
act of contrition
act of faith
act of God
Act of Union
act on
act out
ACT-UP
act up
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actinic
ac·tin·ic [ ak tínnik ]


adjective 
Definition:
 
of radiation that causes chemical effect: relating to radiation such as ultraviolet radiation that produces a chemical effect

ac·tin·i·cal·ly adverb
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