tartar
plaque
Plaque
the sticky brown substance in a cigarette is tar.
Tar is the sticky substance that is found on tobacco leaves, when smoked this sticky substance coats the inside of your lungs and ball sack- preventing oxygen from reaching the circulatory system.
The word is daub. It means to coat or smear a surface with a sticky substance in a liberal way.
gel is a 3 letter word for sticky substance.
spread
They contain a sticky substance known as resin.
Plaque
The sticky organic substance exuded by pine and fir trees is sap or rosin.
It is juice. Like with all melons this substance can be found as sticky, therefore it cannot be water.
tape
Dowb
tar