concrescence (konkresens)

[= Sp.concre cencia, increment. Seeing it is neither a substance perfect, nor.. inchoate,.. how any other substance should thence take concrescence it hath not been taught. Raleigh , Hist. World, I. i. 10. 2. A growing together, in general; a coming together in proce of growth or development, to unite or form one part: in an at. and zoöt., used of parts originally separate. The concrescence of the folds of the mantle to form a definitely-closed shell-sac. 1170 II. n. 1. A ma formed by concretion or coalescence of separate particles of matter in one body. They pretend to be able by the fire to divide all con cretes , minerals and others, into distinct substances. Boyle , Works, I. 544. 2. In gram. and logic, a concrete noun; a particular, individual term; especially, a cla name or proper name. Vitality and Sensibility, Life and Consciousne , are abstractions having real concretes. They are compendious expre ions functional proce es conceived tality, and not at any single stage. G. H. Lewes , Probs. of Life and Mind, I. ii. § 2. 3. A compact ma of sand, gravel, coarse pebbles, or stone chippings cemented together by hydraulic or other mortar, or by asphalt or refuse tar. It is employed extensively in building under water (for example, to form the bottom of a canal or the foundations of any structure raised in the sea, as piers, breakwaters, etc.), and for pavements. The walls of houses are sometimes formed of it, the ingredients being first firmly rammed into molds of the requisite shape, and allowed to set. The finer kind of concrete used for purposes re quiring the greatest solidity is known as beton (which see). 4. Sugar which has been reduced to a solid ma by evaporation in a concretor. concrete (kon-krēt'), v.; pret. and pp. concreted, ppr. concreting. [F. concréter, coagulate, = Sp. concretar = It. concretare, concrete, The particles of tinging substances and salts di olved in water do not of their own accord concrete and fall to the Newton, in Boyle's Works, I. 114. bottom. The blood of some who died in the plague could not be made to concrete. Arbuthnot . II. trans. 1. To form into a ma , as separate particles, by cohesion or coalescence. There are in our inferior world divers bodies, that are concreted out of others. Sir M. Hale , Orig. of Mankind. 2. To combine so as to form a concrete no concrescence gives the stimulus to changes in the appro- priate parts. Gegenbaur, Comp. (trans.), p. 88. 4. In bot . , the union of cell-walls, as those of nycelial hyp he, by by means of a cementing sub- stance formed in proce of growth, so that growth, they are inseparably grown together. Also called cementation . IMG:content-0994.png:[blocks in formation]