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WordNet-Online 
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| Definitions from the WebAcrasinNoun: A chemical substance produced by certain types of cells which acts as a signaling molecule to initiate the aggregation of cells in social amoebas. Sample Sentences:
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| acqurium acqusition acquvisition acr o acra acrable acragas acrap acrasin acrasiomycetes acre-foot acre acre inch acreage acredet acredetation acredit 
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