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irone

[ahy-rohn, ahy-rohn]
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noun Chemistry.
  1. a colorless liquid of isomeric, unsaturated ketones, C14H22O, obtained from orris root: used in perfumery for its odor of violets.
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Origin of irone

First recorded in 1890–95; ir(is) + -one
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018