Term
|
Definition
|
| undecagon |
a polygon with 11 sides |
| undecahedron |
is a polyhedron having 11 faces |
| undefined |
when an expression has no value or meaning, it is said to be undefined. Division by zero is undefined |
| unequal |
≠ when two things are not equal |
| unhappy number |
a number that is not happy. See happy number |
| unimodal |
a distribution with a single unique mode |
| unit |
measurements are usually given in standard units. A metre is a standard unit of length. A kilogram is a standard unit of weight. |
| unit |
another name for one. A unit square is a square of side length one |