clean substance
/ˈklɛn səbˈstæns/ · clean.sub.stance
noun
- A substance that is free from contaminants or impurities, often used in scientific or technical contexts. The researcher carefully handled the clean substance to avoid any contamination.
noun
- A substance that is considered safe and non-toxic, often used in household or industrial applications. The company developed a clean substance for use in their new cleaning products.
Did you know? The concept of a 'clean substance' is closely related to the idea of 'purity' in chemistry, which is a fundamental principle in the field of chemistry and materials science.