/ Dictionary / Index N Napierian: Meaning and Definition of Find definitions for: Na•pier•i•an Pronunciation: (nu-pēr'ē-un), [key] — adj. of, pertaining to, or formulated by John Napier. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Napier-Hastings Napierian logarithm Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language