释义 |
cleavage /ˈkliːvɪdʒ /noun1A sharp division; a split: the old cleavage between the forces of the right and left...- There was not this sharp consciousness of the cleavages and different realities in our social existence long ago as that which is so evident today.
- To existing social splits were added inter-working class cleavages which were all too apparent by November 1916.
- It is a function of that same openness that no sharp cleavages can be sighted between the traditional and the modern in India.
1.1 [mass noun] Biology Cell division, especially of a fertilized egg cell: the cell undergoes cleavage and segmentation and develops into a blastula [count noun]: all the cells divide synchronously for the first 12 cleavages...- The cells deriving from cleavage divisions are often called blastomeres.
- The transparent, 100-m-diameter oocyte is fertilized and undergoes rapid mitotic cleavage cycles.
- For a successful division to take place the cell has to determine the location, where to separate, and the point of time to start cell cleavage.
1.2 [mass noun] The splitting of rocks or crystals in a preferred plane or direction: true slates split easily along a plane of cleavage...- Where possible, flawed sections are removed and larger crystals cut into smaller pieces with minimal wastage by splitting the crystal along natural cleavage planes.
- Diamonds have cleavage planes in four directions, making them highly susceptible to shattering when struck by a hard blow.
- Thus, the crystals have cleavage planes for the necessary migration aptitude.
2The hollow between a woman’s breasts when supported, especially as exposed by a low-cut garment: Holly and Bridget checked their cleavages and rearranged their hair [mass noun]: she wore a dress that exposed an inch or two of cleavage...- Her top was extremely low cut with her cleavage barely staying in.
- Carrie was wearing a denim skirt and another v-neck that exposed her cleavage.
- It can be large or small, with a pronounced cleavage or with the breasts entirely separated.
|