Normal concentration can also be referred to as standard level, usual abundance, or average saturation. It can also be described as typical density, moderate intensity, or regular potency. Common synonyms for normal concentration include mainstream saturation, middle-of-the-road level, and conventional bulk. Additionally, terms like traditional magnitude, typical extent, and customary quantity can also be used to describe a normal concentration of a substance. Overall, there are many ways to express the concept of normal concentration, each with their unique connotations and nuances. Choosing the right synonym can help convey meaning effectively and accurately in various contexts and situations.