Artificial intelligent assistant

nacrine

nacrine, n. and a.
  (ˈneɪkraɪn)
  [f. nacre + -ine1 and -ine4.]
  a. n. The hue of nacre. b. adj. Of the nature of, belonging to, nacre.

1839–52 Bailey Festus 508 Alternating with azure and all gems—Or as in nacrine blent in one soft blaze. 1862 F. Hall Hindu Philos. Syst. 246 Nacrine silver, which is nothing but nacre under the appearance of silver.

Oxford English Dictionary

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