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silicify

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

Definitions

  1. 1.To convert into, or to impregnate with, silica, or with the compounds of silicon. The specimens found . . . are completely silicified. Say. Note: The silica may take the form of agate, chalcedony, flint, hornstone, or crystalline quartz.
  2. 2.To become converted into silica, or to be impregnated with silica.

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

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