noun A simple figure containing no straight portions and no angles; a curved line.
She scribbled a curve on the paper.
noun A grading system based on the scale of performance of a group used to normalize a right-skewed grade distribution (with more lower scores) into a bell curve, so that more can receive higher grades, regardless of their actual knowledge of the subject.
The teacher was nice and graded the test on a curve.
noun A grading system where all raw scores are raised by a set number of points.
noun A continuous map from a one-dimensional space to a multidimensional space.
noun A one-dimensional figure of non-zero length; the graph of a continuous map from a one-dimensional space.
noun An algebraic curve; a polynomial relation of the planar coordinates.