integral

/ˈɪntəɡrəl/

Other forms: integrals

Something that is integral is very important or necessary. If you are an integral part of the team, it means that the team cannot function without you.

An integral part is necessary to complete the whole. In this sense, the word essential is a near synonym. In mathematics, there are integrals of functions and equations. Integral is from Middle English, from Medieval Latin integralis "making up a whole," from Latin integer "untouched, entire."

Definitions of integral

1. adjective

   existing as an essential constituent or characteristic
   synonyms: built-in, constitutional, inbuilt, inherent

   intrinsic, intrinsical

   belonging to a thing by its very nature
2. adjective

   constituting the undiminished entirety; lacking nothing essential especially not damaged
   “"a local motion keepeth bodies integral"- Bacon”

   synonyms: entire, intact

   whole

   including all components without exception; being one unit or constituting the full amount or extent or duration; complete
3. noun

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

   indefinite integral

   the set of functions F(x) + C, where C is any real number, such that F(x) is the integral of f(x)

   definite integral

   the integral of a function over a definite interval

   type of:

   calculation, computation, figuring, reckoning

   problem solving that involves numbers or quantities
4. adjective

   of or denoted by an integer