quarts / quartz [ˈkwɒrtz]
quarts – n. (pl. of quart) –1. containers each holding a quart; 2. multiples of one quarter gallon; one imperial quart equals 1.135 litres (40 fl. oz.) and one American quart equals 0.946 litres (32 fl. oz.)
quartz – n. – a silica compound, SiO2, forming hexagonal crystals which are often coloured by impurities. It is commonly found in igneous and metamorphic rock.