purity
n. uncountable B2 Upper Intermediate US //ˈpjʊɹəti// UK //pjˈʊɹɪti// pu·ri·ty
n. the state of being clean, clear, or not mixed with anything else. It can describe physical things like water or abstract things like a person's heart.
n. the state or quality of being free from contaminants, pollutants, or adulterants. Often used in abstract contexts to describe moral or aesthetic integrity.
The scientist tested the purity of the water sample.
The gold was refined to a high level of purity before being used in the jewelry.
Critics often debate the purity of a language, arguing over whether foreign loanwords enrich the vocabulary or dilute its historical essence.
Usage
Uncountable in its abstract and chemical senses; occasionally used with 'of' to specify the substance being measured.