integral

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Essential or necessary for completeness; constituent.
• adjective Possessing everything essential; entire.
• adjective Expressed or expressible as or in terms of integers.
• adjective Expressed as or involving integrals.
• noun A complete unit; a whole.
• noun A number computed by a limiting process in which the domain of a function, often an interval or planar region, is divided into arbitrarily small units, the value of the function at a point in each unit is multiplied by the linear or areal measurement of that unit, and all such products are summed.
• noun A definite integral.
• noun An indefinite integral.

from The Century Dictionary.

• Total.
• Relating to a whole composed of parts spatially distinct (as a human body of head, trunk, and limbs), or of distinct units (as a number).
• Hence, and by a reversion to the classical meaning of integer
• Unmaimed; unimpaired.
• Intrinsic; belonging as a part to the whole, and not a mere appendage to it.
• In mathematics: Of, pertaining to, or being a whole number or undivided quantity.
• Pertaining to or proceeding by integration: as, the integral method.
• noun An integral whole; a whole formed of parts spatially distinct, or of numerical parts.
• noun An integral part.
• noun In mathematics, the result of integration, or the operation inverse to differentiation.
• noun See the adjectives.

from the GNU version of the Collaborative International Dictionary of English.

• noun A whole; an entire thing; a whole number; an individual.
• noun (Math.) An expression which, being differentiated, will produce a given differential. See differential Differential, and Integration. Cf. Fluent.
• noun one of an important class of integrals, occurring in the higher mathematics; -- so called because one of the integrals expresses the length of an arc of an ellipse.
• adjective Lacking nothing of completeness; complete; perfect; uninjured; whole; entire.
• adjective Essential to completeness; constituent, as a part; pertaining to, or serving to form, an integer; integrant.
• adjective Of, pertaining to, or being, a whole number or undivided quantity; not fractional.
• adjective Pertaining to, or proceeding by, integration.
• adjective See under Calculus.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Constituting a whole together with other parts or factors; not omittable or removable
• adjective mathematics Of, pertaining to, or being an integer.
• noun mathematics A number, the limit of the sums computed in a process in which the domain of a function is divided into small subsets and a possibly nominal value of the function on each subset is multiplied by the measure of that subset, all these products then being summed.
• noun mathematics Antiderivative

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the result of a mathematical integration; F(x) is the integral of f(x) if dF/dx = f(x)
• adjective constituting the undiminished entirety; lacking nothing essential especially not damaged
• adjective existing as an essential constituent or characteristic
• adjective of or denoted by an integer