concrētion /-krēˈshən/ noun

1. A concreted mass
2. A nodule or lump formed within a rock by materials rearranging themselves about a centre (geology)
3. A solid mass formed within an animal or plant body, whether by deposition or by accumulation of foreign matter (biology and medicine)

concrēˈtionary adjective

conˈcretism noun

Regarding or representing abstract things as concrete

conˈcretist noun and adjective

concrētˈive adjective

Having the power to concrete

concretizāˈtion or concretisāˈtion noun

conˈcretize or conˈcretise transitive verb

To render concrete, realize

concrete art noun

Non-figurative art using geometrical forms and simple planes

concrete jungle noun (facetious)

An area of bleakly ugly (esp high-rise) buildings

concrete mixer noun

A machine with a large revolving drum for mixing concrete

concrete music same as musique concrète

concrete poetry noun

An art form which seeks to introduce a new element into poetry by means of visual effects such as special arrangements of the letters of the poem on the printed page

concrete steel noun

Reinforced concrete