When molecules have an even charge distribution and no dipole moment then they are nonpolar molecules. CO2 is a linear molecule, so our dipoles are symmetrical; the dipoles are equal in magnitude but point in opposite directions. Generally, when dipole distribution is symmetrical there is no dipole moment.
Degenerative joint disease (medical condition): Osteoarthritis is a form of arthritis typically caused by age-related wear-and-tear. In diagnosis, it ...
Home Â» Spine Conditions Â» Degenerative Joint Disease. DJD is a medical abbreviation for degenerative joint disease, a common condition that often develops with age. DJD, also known as osteoarthritis, occurs when the cartilage that cushions the joints throughout the body gradually wears away.