Bible Dictionaries
Silica

Webster's Dictionary

(n.) Silicon dioxide, SiO/. It constitutes ordinary quartz (also opal and tridymite), and is artifically prepared as a very fine, white, tasteless, inodorous powder.

Bibliography Information
Webster, Noah. Entry for 'Silica'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/silica.html. 1828.