■    Biomass

Biological material from living or recently living organisms, such  as wood, waste, hydrogen gas or alcohol  fuels  that  can

be used  as a renewable energy  source

■    Cellulose

Structural component of the primary cell wall of green plants and algae, used  to produce paper, cardboard, cellophane and rayon

■    Energy Density

Amount of energy stored in a given system or region of space per unit volume or per unit mass

■    Hemicellulose

Natural polymer present in plant cell walls

■    Hydrophobic
Exclusion of water molecules, describing the segregation and repulsion between water and certain substances

■    Lignin

Complex chemical compound that sequesters atmospheric carbon into the living tissues of woody perennial vegetation

■    Pyrolysis
Thermochemical decomposition of organic material at elevated temperatures in the absence of oxygen

■    Thermochemical

Chemical reaction and/or physical transformation associated with energy and heat