M through Z GLOSSARY M Through Z M N O P Q R S T U V W X Y Z M Matrix - The part of an adhesive which surrounds or engulfs embedded filler or reinforcing particles and filaments... ingredient added to an adhesive formulation that changes its properties. Moisture Content - Percent moisture content is equal to the weight of water divided by the weight of bone-dry wood... a polymer. MSDS - Material Safety Data Sheet. Mucilage - An adhesive prepared from a gum and water. Also in a more general sense, a liquid adhesive which has a low order of bonding...