Math Words That Start With O (40 Terms + Definitions)
There are 40 math words that start with O in the Mathwords dictionary — from Oblate Spheroid to Overdetermined System of Equations. The full list is below; the most looked-up O terms are at the end of the page.
Most Looked-Up O Terms
- Omicron (Ο ο) — The Greek alphabet is the set of 24 letters originating from ancient Greece that are widely used as symbols for variables, constants, and…
- Opposite Reciprocal — The result of flipping a number (taking its reciprocal) and then changing its sign.
- Oblique Pyramid — A pyramid whose apex is not directly above the center of its base, causing it to lean to one side.
- Outlier — A data point that lies far away from the other values in a data set.
- Oblique Cone — A cone whose apex is not directly above the center of its base, causing the axis to be tilted rather than perpendicular to the base.
- Oblique Cylinder — A cylinder whose bases are circular and congruent but are not aligned directly above one another, causing the side surface to slant at an…
- Ordered Pair — An ordered set of numbers that describe the exact position of a point in space.
- Odd/Even Identities — Trigonometric identities that describe how each trig function behaves when you replace the angle with its negative.