## RELATED CONTENT

What Do Hurricane Category Numbers Mean?Part of the drama of hurricane season revolves around the predicting and changing of the severity – or category – of the storm. What category will the hurricane be when it hits land? What kind of damage might it inflict? Hurricane categories There are a few classification scales that meteorological agencies use to determine the intensity of hurricanes. The Saffir-Simpson scale is used to measure the strength …

How To Use Roman NumeralsRoman numerals are a collection of symbols that make up the number system that was used by the ancient Romans. Today, Roman numerals are more commonly used in titles, to number parts of works, in music theory, and on clock faces. Where do you see Roman numerals most often? The Symbols The Roman numeral system uses only seven symbols: I, V, X, L, C, D, …

## Nearby words

theory, theory of equations, theory of everything, theory of games, theory of mind, theory of numbers, theory of relativity, theory-laden, theos., theosophical, theosophical society

## Origin of theory of numbers

First recorded in 1805–15

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019