1. Not occurring, happening, or appearing more than once; not recurring
The non-repeating decimal 0.123456789 continues without any pattern.
O decimal não-repetitivo 0,123456789 continua sem nenhum padrão.
2. In mathematics, describing a decimal expansion that does not have a repeating cycle of digits
Pi is a non-repeating decimal.
Pi é um decimal não-repetitivo.
3. Occurring only once or not repeating in sequence
Each password must contain non-repeating characters.
Cada senha deve conter caracteres não-repetitivos.