class_docstr: Physical quantity: can be a unit of measure, a constant or a generic quantity.
class_docstr_tok: ["Physical","quantity",":","can","be","a","unit","of","measure",",","a","constant","or","a","generic","quantity","."]
docstr: Symbol representing the unit name.
  
  Prepend the abbreviation with the prefix symbol if it is defines.
docstr_tok: ["Symbol","representing","the","unit","name",".","Prepend","the","abbreviation","with","the","prefix","symbol","if","it","is","defines","."]
code: def abbrev(self):
      """
      Symbol representing the unit name.
  
      Prepend the abbreviation with the prefix symbol if it is defines.
      """
      return self._abbrev
  
imports: from sympy.core.expr import AtomicExpr
  from sympy.core.symbol import Symbol
  from sympy.core.sympify import sympify
  from sympy.physics.units.dimensions import _QuantityMapper
  from sympy.physics.units.prefixes import Prefix
label_desc: Use image node_id 6 for calling the Quantity obj's underlying member method code with example usage: obj.abbrev() and returns: self