Plaque is a clear, sticky substance made in the mouth.
The reason I say all that is because, usually, any clear substance all broken up will look white.
Any known clear substance has an index of refraction greater than 1.0.
There lay a four-inch cube - six sides - of a bright clear substance.
He ran his fingers over the clear substance.
Your mouth constantly makes a clear, sticky substance called plaque that contains bacteria.
Bacteria are present in plaque, a clear, sticky substance your mouth produces.
It is a clear substance that is liquid at room temperature.
The clear sticky substance slowly assumed a creamy lemon tone.
It was spraying some clear substance into the atmosphere that seemed to cause the dust to coalesce.