integral in WordNet English dictionary

1. existing as an essential constituent or characteristic
   "the Ptolemaic system with its built-in concept of periodicity"; "a constitutional inability to tell the truth"
   built-in  constitutional  inbuilt  inherent  integral 
   
2. constituting the undiminished entirety; lacking nothing essential especially not damaged
   "a local motion keepeth bodies integral"- Bacon; "was able to keep the collection entire during his lifetime"; "fought to keep the union intact"
   integral  entire  intact 
   
3. of or denoted by an integer
   integral 
   

1. the result of a mathematical integration; F(x) is the integral of f(x) if dF/dx = f(x)
   integral