ALKALINE [al-kuh-line] What it is: Substances with a pH value greater than 7. The opposite of acid. VIDEOS RELATED TO THIS TERM LEARN MORE TERMSALLERGENTWO-WAY BUFFERORANGEWOOD STICKACRYLIC BRUSHNAIL GLUEEXTENSION EDGETHREE-WAY BUFFEROPAQUEBACTERIASIDEWALLNAIL PRIMERONYCHOLYSISDUST COLLECTORLIQUID & POWDER NAIL ENHANCEMENTDIP NAILSOLIGOMERSIMPLEMENTSMARBLING TOOLOVERLAYCURETTE PrevNext