capacity the amount of space in the interior of an object (the amount of liquid/air it contains).
chord A line segment connecting two points on the arc of a circle.
chronological Describes dates arranged in the order in which they occur.
circle The set of points in a plane that are a fixed distance from a given point.
circumference The distance around a circle.
closed curve A shape with no end points.
closed interval A piece of a straight line that includes its endpoints.
collinear When three or more points are in a straigt line.
commutative Multiplication and addition are commutative, the order in which two or more numbers are added or multiplied does not affect the answer. Division and subtraction are not commutative.
complex fraction A fraction whose numerator, denominator, or both are fractions.
composite number A number with more than two factors.
concentric Having the same center point, as in concentric circles.
congruent To match exactly. Two objects are congruent when they are the same size and shape.
constant A constant is a fixed number, rather than a variable number. In the equation x=2y+3 the numbers 2 and 3 are constants.
coordinates Numbers used to locate points on a grid.
cylinder A circular prism with two congruent, parallel, and circular end faces.
