Math Words That Start With S (317 Terms + Definitions)
There are 317 math words that start with S in the Mathwords dictionary — from Closure (Sets) to Systems of Linear Equations. The full list is below; the most looked-up S terms are at the end of the page.
Most Looked-Up S Terms
- SOHCAHTOA — A mnemonic (memory aid) for remembering the three basic trigonometric ratios in a right triangle: Sine = Opposite over Hypotenuse, Cosine =…
- Square Root Rules — The set of algebraic properties that govern how square roots can be simplified, combined, and manipulated in expressions and equations.
- Sigma (Σ σ) — The Greek alphabet is the set of 24 letters originating from ancient Greece that are widely used as symbols for variables, constants, and…
- Surface Area — The total area of all the outer faces and curved surfaces of a three-dimensional solid.
- Subset — A relationship between two sets where every element of the first set is also an element of the second set.
- Similarity Tests for Triangles — A set of criteria—AA, SAS, SSS, and HL—that let you prove two triangles are similar without checking every angle and every side.
- sec — The trigonometric function defined as the reciprocal of cosine.
- sin-1 — The function that takes a ratio (between −1 and 1) and returns the angle whose sine equals that ratio.