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									[ noun ] a conical flask with a wide base and narrow neck  Used in print(M. Yokoyama et al., "Chemical and serological...) the other , a shallow concave gradient ( Fig. 1 ) , was produced with a so-called `` cone sphere '' apparatus , the `` cone '' being a 2 - liter Erlenmeyer_flask and the `` sphere , '' a 2 - liter round-bottom flask . Related terms | 
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