…(especially of change or action) relating to or affecting the fundamental nature of something; far-reaching or thorough…
…a radical formed by the removal of hydrogen ions from an acid…
…an uncharged molecule (typically highly reactive and short-lived) having an unpaired valency electron…
…the sign √ which indicates the square root of the number following (or a higher root indicated by a preceding superscript numeral)…
…es el último de una larga serie de dirigentes radicales…
