Dark matter is a theoretical kind of matter.
The term deciduous refers to a biological process of losing or dropping appendages of the organism .. deciduous. deciduous. Specifically , the term may refer to  :. deciduous trees , plants which shed their leaves regularly. deciduous. deciduous. deciduous trees. deciduous trees. deciduous teeth -LRB- milk teeth , baby teeth -RRB- , that fall out during the course of normal development. deciduous. deciduous. deciduous teeth. deciduous teeth. other body parts that are shed , such as antlers , are also described as deciduous. deciduous. deciduous. Decidua. Decidua. Decidua