mathematics

noun

math·​e·​mat·​ics ˌmath-ˈma-tiks How to pronounce mathematics (audio)
ˌma-thə-
plural in form but usually singular in construction
1
: the science of numbers and their operations (see operation sense 5), interrelations, combinations, generalizations, and abstractions and of space (see space entry 1 sense 7) configurations and their structure, measurement, transformations, and generalizations
Algebra, arithmetic, calculus, geometry, and trigonometry are branches of mathematics.
2
: a branch of, operation in, or use of mathematics
the mathematics of physical chemistry

Examples of mathematics in a Sentence

I can't do the mathematics in my head, so I'll need a pen and paper

Word History

First Known Use

1573, in the meaning defined at sense 1

Time Traveler
The first known use of mathematics was in 1573

Browse Nearby Words

Cite this Entry

“Mathematics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mathematics. Accessed 9 Sep. 2025.

Kids Definition

mathematics

noun
math·​e·​mat·​ics ˌmath-ə-ˈmat-iks How to pronounce mathematics (audio)
math-ˈmat-
: the science that is concerned with numbers and their properties, relations, and operations and with shapes in space and their structure and measurement

More from Merriam-Webster on mathematics

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!