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pyrene

pyrene is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.One of the less volatile hydrocarbons of coal tar, obtained as a white crystalline substance, C16H10.
  2. 2.Same as Pyrena.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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