08 Jun Glossary Terms ACID October 4, 2022 By Sean McWard ACID [as-id] What it is: Substances with a pH value less than 7. The opposite of alkaline. VIDEOS RELATED TO THIS TERM Skull DesignNail Form ApplicationAcrylic Paint Palette LEARN MORE TERMS View All Glossary Terms BUILDER GEL HYPONYCHIUM OMBRÉ