Wiktionary
decimal number
n. (context mathematics English) A number represented by the decimal digits 0 to 9 and possibly a decimal point.
Usage examples of "decimal number".
To see what these mean, remember how we dissected a decimal number.
The nine-hundred-digit decimal number, the three-thousand-digit binary number, and the six hundred letters are all the same abstract, pure number, encoded differently.
I went to the library and looked up books on freeway construction - the asphalt and cement kind - Dewey Decimal number 625.