Mathematics (noun)

The abstract science of number, quantity, and space, including the principles of addition, subtraction, multiplication and division, the properties of numbers and figures, and the systematic study of measurements, properties and relationships of quantities and sets, either as abstract concepts (pure mathematics), or as applied to other disciplines such as physics and engineering (applied mathematics).

Origin:

From old french mathematique, from latin mathematica (ars), from greek mathemátikē (tékhnē) 'mathematical (science)', from mathema 'mathematical learning, a lesson'.

Examples:

1. She excelled in mathematics and science.
2. He enjoys studying mathematics in his free time.
3. The mathematics class is taught by a highly qualified teacher.
4. The application of mathematical models has been crucial in the field of engineering.
5. She wants to pursue a career in mathematics research.