Conductor Definition. In science, a conductor is a material which permits a flow of energy. A material which allows the flow of charged particles is an electrical conductor. A material which allows the transfer of thermal energy is a thermal conductor or heat conductor. Although electrical and thermal conductivity is most common, other types of energy may be transferred.
Define polymyositis: inflammation of several muscles at once; specifically : an inflammatory muscle disease of unknownâ¦ â polymyositis in a sentence inflammation of several muscles at once; specifically : an inflammatory muscle disease of unknown cause that affects muscles and chiefly skeletalâ¦ See the full definition
Definition. Dermatomyositis (dur-muh-toe-my-uh-SY-tis) is an uncommon inflammatory disease marked by muscle weakness and a distinctive skin rash. Dermatomyositis affects adults and children alike. In adults, dermatomyositis usually occurs from the late 40s to early 60s.efinition. Dermatomyositis (dur-muh-toe-my-uh-SY-tis) is an uncommon inflammatory disease marked by muscle weakness and a distinctive skin rash. Dermatomyositis affects adults and children alike. In adults, dermatomyositis usually occurs from the late 40s to early 60s.