: décolleté, fendage, fissure, (Biol) division, (Géol) clivage
- MineralogyThe splitting or tendency to split of a crystallized substance along definite crystalline planes, yielding smooth surfaces.
- EmbryologyThe series of mitotic cell divisions that produces a blastula from a fertilized ovum. It is the basis of the multicellularity of complex organisms. Also called segmentation.
Any single cell division in such a series.
- ChemistryThe splitting of a complex molecule, such as a polysaccharide, into simpler molecules.
- InformalThe hollow between a woman's breasts, especially as revealed by a low neckline.