*nominal*

a. [ See Binomial. ] Of or pertaining to two names; binomial. [ 1913 Webster ]

n. One bearing the same name; a namesake. [ Obs. ] Sir T. Browne. [ 1913 Webster ]

a. Of or pertaining to a cognomen; of the nature of a surname. [ 1913 Webster ]

n. (Math.) Polynomial. [ R. ] [ PJC ]

{ } a. [ L. multinominis; multus many + nomen nominis name. ] Having many names or terms. [ 1913 Webster ]

a. [ L. nominalis, fr. nomen, nominis, name. See Name. ] 1. Of or pertaining to a name or names; having to do with the literal meaning of a word; verbal; as, a nominal definition. Bp. Pearson. [ 1913 Webster ]

2. Existing in name only; not real; as, a nominal difference. “Nominal attendance on lectures.” Macaulay. [ 1913 Webster ]

4. Hence: Insignificant; trifling; -- of prices or costs, as compared with the benefits gained; as, to pay a nominal sum for the data; a nominal fee. [ PJC ]

3. Within acceptable limits; as expected; as, the hydraulic lines are at nominal pressure; -- used mostly in aviation and space operations. [ PJC ]

n. 1. A nominalist. [ Obs. ] Camden. [ 1913 Webster ]

2. (Gram.) A verb formed from a noun. [ 1913 Webster ]

3. A name; an appellation. [ 1913 Webster ]

A is the nominal of the sixth note in the natural diatonic scale. Moore (Encyc. of Music. ) [ 1913 Webster ]

n. The principles or philosophy of the Nominalists. [ 1913 Webster ]

n. (Metaph.) One of a sect of philosophers in the Middle Ages, who adopted the opinion of Roscelin, that general conceptions, or universals, exist in name only. Reid. [ 1913 Webster ]

a. Of or pertaining to the Nominalists. [ 1913 Webster ]

v. t. (Grammar, Linguistics) To convert into a noun; as, a nominalized sentence; a nominalized adjective or verb. [ 1913 Webster ]

In a sentence of the form:
“That Kennedy would have been a great president if he had not been assassinated is one of the enduring myths of the Camelot conceit.”
the sentence “Kennedy would have been a great president if he had not been assassinated” has been nominalized by the introductory “that”. [ PJC ]

adv. In a nominal manner; by name; in name only; not in reality. Burke. [ 1913 Webster ]

a. Serving as a prefix in a compound name. Sir T. Browne. [ 1913 Webster ]

a. [ L. pronominalis: cf. F. pronominal. See Pronoun. ] Belonging to, or partaking of the nature of, a pronoun. [ 1913 Webster ]

v. t. To give the effect of a pronoun to; as, to pronominalize the substantives person, people, etc. Early. [ 1913 Webster ]

adv. In a pronominal manner&unr_; with the nature or office of a pronoun; as a pronoun. [ 1913 Webster ]

a. [ Quadri- + nominal. ] (Alg.) Quadrinomial. Sir W. R. Hamilton. [ 1913 Webster ]

a. Of or pertaining to a surname or surnames. [ 1913 Webster ]