A nominal number is a number that has no value, or in other words, it's just a label or name for something without any specific numerical value. Full definition
Indeed, when you look beyond the headline economic data and aggregate nominal numbers the pessimists tend to focus on, you see a solid, and improving, U.S. economic recovery. (blackrockblog.com)
Sight words are like nominal numbers; they reflect a very early level of reading achievement. (educationnext.org)
``............ Although the DHC Program does not maintain self - unification information about complainants, it is noteworthy that for the 10 year period of 2003 to 2012, only 16 % of complaints of discrimination were based on race, 3 % on ethnic origin and nominal number on ancestry and place of origin while 26 % and 50 % of complaints were based on the grounds of disability and sex, respectively.» (stopsop.ca)