1. A distribution of a substance or entity spread out over a wide area rather than being concentrated in one location; low concentration spread throughout a medium
The pollutant showed a diffuse concentration across the entire water body rather than being localized.
O poluente apresentava uma concentração difusa por todo o corpo de água em vez de estar localizado.
2. In chemistry and physics, a state where dissolved or dispersed particles are spread uniformly throughout a solution or space
The dye created a diffuse concentration in the solution after several hours of mixing.
O corante criou uma concentração difusa na solução após várias horas de mistura.