To save this word, you'll need to log in.

## Definition of *mathematics*

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 chemistryKeep scrolling for more

Keep scrolling for more

Keep scrolling for more

#### Test Your Vocabulary

January 2020 Words of the Day Quiz

- Which is a synonym of
**bonhomie**?

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ**Test Your Knowledge** - and learn some interesting things along the way.

Love words? Need even more definitions?

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

Merriam-Webster unabridgedWords at Play

Ask the Editors

Word Games

- January 2020 Words of the Day Quiz
Word of the Day quiz returns (again!)

Take the quiz - Intact Latin Quiz
What did each of these words mean to ancient Romans?

Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?

Take the quiz - Syn City
Build a city of skyscrapers—one synonym at a time.

Play the game

Share

mathematicsTime Traveler for

mathematics## The first known use of

mathematicswas in 1573See more words from the same year