ALKALINE [al-kuh-line] What it is: Substances with a pH value greater than 7. The opposite of acid. VIDEOS RELATED TO THIS TERMCaring For Your L&P BrushLoading the Polish BrushDefining Split Complementary LEARN MORE TERMSPOTASSIUM HYDROXIDENAIL STICKERSCAMPHORSCRUBSORGANICMONOCHROMATICUREALED LAMPFRENCH HALOPHALANGESNAIL CREAMAMINO ACIDSAPEXALKALINEVERTICAL OMBRESIDEWALLNAIL PLATEFRENCH GRADUATIONGLITTERHARD GELS PrevNext