concrete

a. [ L. concretus, p. p. of concrescere to grow together; con- + crescere to grow; cf. F. concret. See Crescent. ] 1. United in growth; hence, formed by coalition of separate particles into one mass; united in a solid form. [ 1913 Webster ]

The first concrete state, or consistent surface, of the chaos must be of the same figure as the last liquid state. Bp. Burnet. [ 1913 Webster ]

2. (Logic) (a) Standing for an object as it exists in nature, invested with all its qualities, as distinguished from standing for an attribute of an object; -- opposed to abstract. Hence: (b) Applied to a specific object; special; particular; -- opposed to general. See Abstract, 3. [ 1913 Webster ]

Concrete is opposed to abstract. The names of individuals are concrete, those of classes abstract. J. S. Mill. [ 1913 Webster ]

Concrete terms, while they express the quality, do also express, or imply, or refer to, some subject to which it belongs. I. Watts. [ 1913 Webster ]

Concrete number, a number associated with, or applied to, a particular object, as three men, five days, etc., as distinguished from an abstract number, or one used without reference to a particular object. --
Concrete quantity, a physical object or a collection of such objects. Davies & Peck. --
Concrete science, a physical science, one having as its subject of knowledge concrete things instead of abstract laws. --
Concrete sound or movement of the voice, one which slides continuously up or down, as distinguished from a discrete movement, in which the voice leaps at once from one line of pitch to another. Rush. [ 1913 Webster ]