Helpful Hints
- (1) You can search the entire content of Dean’s by phrase or by individual words. Just type your keywords into the search box and then pull down the search icon on the right and choose the option you need: search by word or by phrase or reset the content.
- (2) Double click on a word in the content of a definition, and if the word is listed as a keyword in Dean’s, it will look that word up.
- (3) You can use the search function to help jump the scrolling function. Simply type the first 2-3 letters into the search box then hit enter on your keyboard and the scroll will go to those Keywords that begin with those letters and allow you to scroll from there.
n. The act of cleaving or splitting.
- (Crystallog.) The quality possessed by many crystallized substances of splitting readily in one or more definite directions, in which the cohesive attraction is a minimum, affording more or less smooth surfaces; the direction of the dividing plane; a fragment obtained by cleaving, as of a diamond. See Parting.
- (Geol.) Division into laminæ, like slate, with the lamination not necessarily parallel to the plane of deposition; - usually produced by pressure. Basal cleavage, cleavage parallel to the base of a crystal, or to the plane of the lateral axes.
- Cell cleavage (Biol.), multiplication of cells by fission. See Segmentation.
- Cubic cleavage, cleavage parallel to the faces of a cube.
- Diagonal cleavage, cleavage parallel to the diagonal plane.
- Egg cleavage. (Biol.) See Segmentation.
- Lateral cleavage, cleavage parallel to the lateral planes.
- Octahedral, Dodecahedral, or Rhombohedral, cleavage, cleavage parallel to the faces of an octahedron, dodecahedron, or rhombohedron.
- Prismatic cleavage, cleavage parallel to a vertical prism.
