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 ...
1. the rounded process at the end of a bone, forming part of a joint. 2. (in arthropods) a similar process formed from the hard integument. [1625â35; < New Latin condylus knuckle < Greek kÃ³ndylos] conâ²dyâ¢lar, adj.