الإنجليزية - الإنجليزية
تعريف phthalin في الإنجليزية الإنجليزية القاموس.
- {i} chemical compound used in the production of dyes (Chemistry)
- A colorless crystalline substance obtained by reduction from phthaleïn, into which it is easily converted by oxidation; hence, any one of the series of which phthalin proper is the type