01 a. Of or pertaining to a name or names; having to do with the literal meaning of a word; verbal; as, a nominal definition.
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1.
Of or pertaining to a name or names; having to do with the literal meaning of a word; verbal; as, a nominal definition.
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2.
Existing in name only; not real; as, a nominal difference.
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3.
Insignificant; trifling; -- of prices or costs, as compared with the benefits gained; as, to pay a nominal sum for the data; a nominal fee.
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4.
Within acceptable limits; as expected; as, the hydraulic lines are at nominal pressure; -- used mostly in aviation and space operations.