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(1) Base  [ Biology - Botany ]
Adjective:
Basal
Adverb: Basally

Dictionary of botanic terminology - index of names

     
  A base is the lowest, bottom, or supporting part or layer of an organ or structure.  

In botany it is a part of a plants organ that is nearest to its point of attachment to a more central structure or the point of attachment of such an organ. Compare with apex (antonym)
(2) Base [ Chemistry ]
Adjective:
basic
     
  A base is the reactive complement to an acid.  
     
 An alkaline solution or chemical compound with a pH value of 7.1 or higher that reacts with acids to form salts.
(3) Base [ Genetics ]

 

 

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