calculus
nounUK /ˈkæl.kjə.ləs/
US /ˈkæl.kjə.ləs/
A type of math that studies how things change and add up.
In calculus, we learned how to find how fast a car speeds up.
RELATED WORDS
OTHER MEANINGS
2. A hard, stone-like deposit that can form in the body, such as in the kidneys.
The doctor found a small calculus in his kidney.
3. A method of calculation or reasoning using symbols.
The ancient scholars developed a calculus for solving puzzles.
4. A hard buildup on teeth, also called tartar.
The dentist cleaned the calculus off her teeth.