sentence2_structure: Translucent matter<>transmits<>light$$$Translucent matter<>scatters<>the light<>as it passes through$$$it<>passes<>through
sentence1: Subject matter wherein the length of the light path through the liquid may be varied, as by inserting a light-transmitting member of constant light-transmitting length into the liquid to a desired depth and passing light through the liquid and the light-transmitting member in series.
sentence2: Translucent matter transmits light but scatters the light as it passes through.
question: What type of matter transmits light but scatters the light as it passes through?