# Basic math glossary-G

Basic math glossary-G define words beginning with the letter G

g
: g is an abbreviation for gram.

Gallon: A unit of liquid capacity that is equal to 4 quarts or 3.785 liters.

GCF: An abbreviation for greatest common factor.

Geometric mean: The geometric mean of two or more numbers (or quantities) is the square root, cube root, nth root of the product of the numbers.

Geometric series: A sequence of number in which each number is found one by multiplying the previous term by a common ratio.

Geometry: A branch of mathematics dealing with the study of size and shape of points, lines, angles, surfaces, and solid figures.

Glide reflection: A combination of reflection and translation of a pre-image.

Golden ratio: When the ratio of two numbers is equal to the ratio of their sum to the bigger of the two numbers, it is called a golden ratio.

Golden rectangle: A rectangle that can be divided into a square and a rectangle that is similar to the original rectangle.

Gradient of the line: The gradient of a straight line is the measure of the slope or steepness of a line.

Gram: A measure of mass in the metric system that is approximately equal to the weight of a paper clip, penny, or nickel.

Graph: A visual display of information, for example on the coordinate plane, showing the relationship among variables.

Graph paper: In math, a graph paper is a special paper that has small squares on it along with an horizontal axis (x-axis) and a vertical axis(y-axis) and is used to draw graphs.

Great circle: A circle formed when a plane intersects a sphere and whose center is the same as the center of the sphere.

Greater than: Bigger or larger than.

Greatest common factor: The largest factor of two or more numbers.

Greatest common divisor: The greatest factor that divides two or more numbers evenly. The greatest common factor is called greatest common divisor if it is used to simplify fractions.

Grid: A set of equally spaced horizontal lines crossing a set of equally spaced vertical lines at a 90-degree angles and resulting in many small rectangles or squares.

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