nominal

(grammar) A noun or word group that functions as part of a noun phrase.

"This sentence contains two nominals."

(grammar) A part of speech that shares features with nouns and adjectives. (Depending on the language, it may comprise nouns, adjectives, possibly numerals, pronouns, and participles.)

A number (usually natural) used like a name; a numeric code or identifier. (See nominal number on Wikipedia.)

"Numeric codes of characters used in programming are nominals."

Of, resembling, relating to, or consisting of a name or names.

Assigned to or bearing a person's name.

Existing in name only.

"a nominal difference"