Math Words That Start With S: Glossary and Definitions

Discover a comprehensive list of math-related words starting with the letter “S” to enhance your mathematical vocabulary and understanding.

1. Sum- The total result of adding numbers.
2. Subtract- To take one number away from another.
3. Square- The product of a number multiplied by itself.
4. Square Root- A value that, when multiplied by itself, gives the original number.
5. Symmetry- Balanced proportions on either side of a central line.
6. Scalene Triangle- A triangle where all sides are of different lengths.
7. Statistics- The collection, analysis, interpretation, and presentation of numerical data.
8. Slope- The measure of the steepness of a line.
9. Secant- A line that intersects a curve at two or more points.
10. Sequence- An ordered list of numbers.
11. Series- The sum of the terms of a sequence.
12. Set- A collection of distinct objects, considered as an object in its own right.
13. Supplementary Angles- Two angles that add up to 180 degrees.
14. Sample- A subset of a population used to represent the entire group.
15. Simplify- To reduce a fraction or expression to its simplest form.
16. Surd- An irrational number that can’t be simplified to remove a square root.
17. Scalar- A quantity that has only magnitude, not direction.
18. Sphere- A perfectly round three-dimensional geometric object.
19. Standard Deviation- A measure of the amount of variation or dispersion in a set of values.
20. Simultaneous Equations- A set of equations with multiple variables that are solved together.
21. Segment- A part of a line that is bounded by two distinct end points.
22. Sine- A trigonometric function of an angle, defined as the ratio of the opposite side to the hypotenuse.
23. Sine Wave- A smooth, periodic oscillation.
24. Signed Number- A number that is either positive or negative.
25. Significant Figures- Digits that contribute to the precision of a number.
26. Supplement Angle- Another term for supplementary angle.
27. Skew Lines- Lines that do not intersect and are not parallel.
28. Sample Space- The set of all possible outcomes in a probability experiment.
29. Scatter Plot- A graph of plotted points that show the relationship between two sets of data.
30. Solid- A three-dimensional object.
31. Side- A line segment that forms part of the boundary of a geometrical figure.
32. Symmetric Matrix- A square matrix that is equal to its transpose.
33. Scaling- Changing the size of an object proportionally in mathematics.
34. Standard Form- A way of writing numbers that are too large or too small to be conveniently written in decimal form.
35. Strict Inequality- An inequality that does not include equality (e.g., ).
36. Subitizing- The ability to quickly identify the number of items in a small group without counting.
37. Surjective- A function where every element in the codomain is mapped to by at least one element in the domain.
38. Supplement- The amount by which an angle is less than 180 degrees.
39. Statistical Significance- A result that is not likely to occur randomly.
40. Standard Normal Distribution- A normal distribution with a mean of 0 and a standard deviation of 1.
41. Step Function- A function that increases or decreases suddenly at certain points.
42. Span- The set of all possible linear combinations of a given set of vectors.
43. Subspace- A set of vectors that forms a space that is closed under vector addition and scalar multiplication.
44. Sample Mean- The average of a set of sample values.
45. Sample Median- The middle value of a set of sample values.
46. Sample Mode- The value that appears most frequently in a set of sample values.
47. Scalar Field- A field that associates a scalar value to every point in space.
48. Simpson’s Rule- A method for numerical integration.
49. Singular Matrix- A square matrix that does not have an inverse.
50. Sigma- A Greek letter (Σ) often used to represent the sum of a sequence of terms.
51. Secondary Axis- An additional set of values plotted on a graph to represent a different scale.
52. Saddl
53. e Point- A point on a surface which is a minimum in one direction and a maximum in another.
54. Sample Variance- A measure of the dispersion of sample values.
55. Sheaf- A mathematical structure that associates data to open sets of a topological space.
56. Simplex- The generalization of a triangle or tetrahedron to arbitrary dimensions.
57. Smooth Function- A function that has derivatives of all orders.
58. System of Equations- A set of equations with multiple variables.
59. Symmetric Group- The group of all permutations of a set.
60. Surjective Homomorphism- A homomorphism that is also a surjective function.
61. Steiner Tree- A minimum-length network connecting a given set of points.