The number ten.

plural of turning number

(geometry, topology, mathematical analysis) A version of winding number in which the number of rotations is counted with respect to the tangent of the curve rather than a fixed point.

plural of lot number

An identification number assigned to a particular quantity or lot of material from a single manufacturer.

Synonym of mass number

Alternative spelling of number-crunching

(mathematics) A number consisting of a whole number and a fraction, such as 11½.

The smallest number bigger than any finite number named by an expression in the language of set theory with a googol symbols or less.

(chronology) A number showing the year of the lunar or Metonic cycle. It is reckoned from 1 to 19, and is so called from having formerly been written in the calendar in gold.