noun
- the study of numbers, as the figures designating the year of one’s birth, to determine their supposed influence on one’s life, future, etc.
noun
- the study of numbers, such as the figures in a birth date, and of their supposed influence on human affairs
1911, “study of the occult meaning of numbers,” a hybrid from Latin numerus “a number” (see number (n.)) + Greek -logia (see -logy). A correct formation would be arithmology, from Greek arithmos “number.” Related: Numerological; numerologist.