Containing a high percentage of silica; -- opposed to basic.    
    
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									 							        Containing or yielding an acid.    
    
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									 							        Capable of being acidified, or converted into an acid.    
    
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									 							        Producing acidity; converting into an acid.    
    
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									 							        Having an acid quality; sour; acidulous.    
    
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									 							        Slightly sour; sub-acid; sourish; as, an acidulous tincture.    
    
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									 							        Shaped like a needle.    
    
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									 							        Containing seeds or stones of grapes, or grains like them.    
    
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									 							        Scimeter-shaped; as, an acinaciform leaf.    
    
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									 							        Resembling the Acinetae.    
    
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