CIS
- having atoms on the same side of the molecule [adj]
- Commonwealth of Independent States
- unit of activity of radioactive substances equivalent to 3.70 x 1010 disintegrations per second: it is approximately the amount of activity produced by 1 g of radium-226
- characterized by having certain atoms or groups of atoms on the same side of the longitudinal axis of a double bond or of the plane of a ring in a molecule
- having certain atoms on the same side of the molecule [adj]