(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.
3.
(Geol.) Division into laminae, 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 ta diagonal plane.
... made the boy very thoughtful. The news about his cousin opened his eyes. The line of cleavage between North and South was widening into a gulf. But his spirits rose when he enlisted in the Palmetto Guards, and began to see active service. His quickness and zeal caused him to be used as a messenger, ... — The Guns of Bull Run - A Story of the Civil War's Eve • Joseph A. Altsheler Read full book for free!
... regarded Lord Derby's extreme policy of non- intervention with favour, refused to support the proposed censure. The resolution accordingly had to be withdrawn, amid the general disapproval, however, of the Liberal Press. Thus the first attempt at action at once betrayed a profound cleavage of opinion. This was unfortunately only typical of everything which followed in this chapter of events, though the debate which took place towards the end of the Session proved very damaging to the Government. [Footnote: See Hansard, cxlii. 22; Life of Gladstone, ii, 549; Life of Granville, ... — The Life of the Rt. Hon. Sir Charles W. Dilke V1 • Stephen Gwynn Read full book for free!
... at the base of our precipice may be called accidental, but this is not strictly correct; for the shape of each depends on a long sequence of events, all obeying natural laws; on the nature of the rock, on the lines of deposition or cleavage, on the form of the mountain which depends on its upheaval and subsequent denudation, and lastly on the storm or earthquake which threw down the fragments. But in regard to the use to which the fragments may be put, their shape may be strictly said to be accidental. And here we are led to face ... — The Variation of Animals and Plants Under Domestication, Volume II (of 2) • Charles Darwin Read full book for free!
... General Staff could have been satisfied, the country would have remained united and on our side. Instead of adopting this sane attitude, the local agents of the Entente ostentatiously associated themselves with the Venizelists and boycotted the others, thus gratuitously contributing to a cleavage from which only ... — Greece and the Allies 1914-1922 • G. F. Abbott Read full book for free!
... experience, into the imaginary regions of the future. What do we find has been, and is, the tendency of the peoples of this continent? Does not history show, and do not modern and existing tendencies declare, that the lines of cleavage among them lie along the lines of latitude? Men spread from east to west, and from east to west the political lines, which mean the lines of diversity, extend. The central spaces are, and will be yet ... — Memories of Canada and Scotland - Speeches and Verses • John Douglas Sutherland Campbell Read full book for free!
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