Scriptura › Dictionary › Phthor 1 entry 1 source Phthor Open directly Webster's 1828 Dictionary · 1828 Part of speech: noun (n.) Fluorine. [Written also phthor.]
1 entry 1 source Phthor Open directly Webster's 1828 Dictionary · 1828 Part of speech: noun (n.) Fluorine. [Written also phthor.]