Truncate
To truncate a real number is to discard its noninteger part. Truncation of a (positive) number x therefore corresponds to taking the floor function |_x_|.
Truncation also refers to the removal of portions of a polyhedron using a cutting plane.
See also
Ceiling Function, Floor Function, Nearest Integer Function, Rounding, TruncationExplore with Wolfram|Alpha
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Cite this as:
Weisstein, Eric W. "Truncate." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Truncate.html