Compounds formed by the joining of smaller, usually repeating, units linked by covalent bonds. These compounds often form large macromolecules (e.g., BIOPOLYMERS; PLASTICS).
Polymer
D003252
Construction Materials
Supplies used in building.
Building Materials,Building Material,Construction Material,Material, Building,Material, Construction,Materials, Building,Materials, Construction
D004781
Environmental Exposure
The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals.