Hydrocarbon, any of a class of organic chemical compounds composed only of the elements carbon (C) and hydrogen (H). The carbon atoms join together to form the framework of the compound; the hydrogen atoms attach to them in many different configurations. Hydrocarbons are the principal constituents of petroleum and natural gas.
Use slab in a sentence. 1  a piece that is flat, broad, and fairly thick: a slab of concrete, a slab of bread.  any of the rough, outer pieces cut from a log, as in sawing it into lumber.
Monolithic slab is a term used in concrete slab construction to describe concrete structural elements such as footings, slabs, foundations, grade beams, piers, and columns being poured simultaneously. A monolithic cement slab or diy concrete slab not only applies to concrete cast on the ground, it also applies to suspended slab. Even though a suspended concrete slab is above ground level, the use of shoring materials enables the pouring concrete slab monolithically with concrete beams and columns.