The Rice Purity test was created by the Rice Thresher newspaper at Rice University. Purity, the absence of impurity or contaminants in a substance; for example, Chemical purity Purity, the proportion of a named pure substance in a sample (by weight, mass, volume, or count) Since 1938, Purity Cylinder Gases has been the trusted choice for industrial gases, welding supplies and safety equipment in Michigan and Indiana. Purity brings the classic workstation sound into today’s music production environment. With its nostalgic PCM-based sound character, fast workflow, inspiring presets, and lightweight performance, Purity is designed for producers making hip-hop, trap, PluggnB, R&B, pop, EDM, game music and beyond. For over 33 years, Purity Products has crafted science-backed formulas to support your body. Every ingredient is tested and every formula refined — so you can trust what’s inside. Shop Purity Coffee online today. Explore organic, specialty grade coffee that is purity tested, antioxidant rich and crafted for a cleaner cup at Purity Coffee. Purity comes from the Latin purus meaning clean, clear, unmixed, chaste. When you're talking about something that is clean and unmixed, you are talking about something characterized by purity. The meaning of PURITY is the quality or state of being pure. PURITY definition: 1. the state of not being mixed with anything else: 2. the clear and perfect quality of a sound…. Learn more. Shop Purity Coffee online today. Explore organic, specialty grade coffee that is purity tested, antioxidant rich and crafted for a cleaner cup at Purity Coffee.