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Definition of: beaker
(bē′kər) noun
1. A large, wide-mouthed cup or goblet.
2. A cylindrical, flat-bottomed vessel of quartz, porcelain, aluminum, or thin annealed glass, having a flaring top: used in chemical analysis, etc.
3. The contents or capacity of a beaker. [<ON bikarr; spelling infl. by BEAK]
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