1. A liquid mixture or chemical solution that lacks shine, brightness, or luster; a solution with a matte appearance rather than a reflective one
The dull solution indicated that the chemical reaction had not proceeded as expected.
A solução opaca indicou que a reação química não havia ocorrido conforme esperado.
2. In chemistry, a solution that appears turbid, cloudy, or has reduced transparency due to suspended particles or incomplete dissolution
The dull solution suggested the presence of undissolved particles in the mixture.
A solução opaca sugeriu a presença de partículas não dissolvidas na mistura.