| Word | Definitions | Synonyms |
|---|---|---|
| arithmancy | (noun) divination by means of numbers | - |
| arithmetic | (adjective) relating to or involving arithmetic | Synonyms: arithmetical |
| (noun) the branch of pure mathematics dealing with the theory of numerical calculations | - | |
| arithmetical | (adjective) relating to or involving arithmetic | Synonyms: arithmetic |
| arithmetically | (adverb) with respect to arithmetic | - |
| arithmetician | (noun) someone who specializes in arithmetic | - |
| arity | (noun) the number of arguments that a function can take | - |