Plaque is a clear, sticky substance made in the mouth.

The spraying is done at night so fewer people will be covered by the sticky substance.

She felt a warm and sticky substance on her dress.

The big man was coughing out pieces of the sticky substance.

He swiftly pulled his hand away and tried to brush off the sticky substance.

All the others, how- ever, were trapped, trying to fight their way free of the thick, sticky substance.

By their nature as a sticky substance they are not suitable to use in very hot weather.

One side of his face is wet with a thick, sticky substance.

She tried to run, but her legs were trapped, bound in some sticky substance.

He did not know the type, but the sticky substance on the blade seemed to indicate poison.