| concrete | Solid, tangible. Origin: L. Concretus (18 Nov 1997) |
|---|---|
| concrete oils | Essential oils obtained by extraction with organic solvents; contain waxes and paraffins. (05 Mar 2000) |
| concrete operations | In the psychology of Piaget, a stage of development in thinking, occurring approximately between 7 and 11 years of age, during which a child becomes capable of reasoning about concrete situations. (05 Mar 2000) |
| concrete thinking | Thinking of objects or ideas as specific items rather than as an abstract representation of a more general concept, as contrasted with abstract thinking (e.g., perceiving a chair and a table as individual useful items and not as members of the general class, furniture). Creative thinking, productive thinking, with novel rather than routine elements and results. Magical thinking, the irrational equating of thinking with doing. Prelogical thinking, a concrete type of thinking, characteristic of children and primitives, to which schizophrenic persons are sometimes said to regress. Synonym: archaic-paralogical thinking, prelogical mind. (05 Mar 2000) |
| concrete |
cover with cement; "concrete the walls" capable of being perceived by the senses; not abstract or imaginary; "concrete objects such as trees" form into a solid mass; coalesce a strong hard building material composed of sand and gravel and cement and water formed by the coalescence of particles
Ãâó: wordnet.princeton.edu/perl/webwn
|
|---|---|
| concrete equivalent |
the thickness of concrete having a density of 2.35 g/cm 3 which would afford the same radiation attenuation, under specified conditions, as the material or materials being considered.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
|
| concrete |
In construction, concrete is a composite building material made from the combination of aggregate and cement binder. The most common form of concrete is portland cement concrete, which consists of mineral aggregate (generally gravel and sand), portland cement and water. It is commonly believed that concrete dries after mixing and placement. Actually, concrete does not solidify because water evaporates, but rather cement hydrates and eventually hardens into a stone-like material. ...
Ãâó: en.wikipedia.org/wiki/Concrete
|
| concrete |
intimate mixture of portland cement, aggregates, and water, which will harden to a rocklike mass.
Ãâó: www.angelfire.com/biz/BuildingPathology/ConstrEFRg...
|
| concrete |
highly odoriferous, concentrated, waxy, solid or semi-solid perfume material extracted by a solvent
Ãâó: www.lovingscents.com/Glossary.htm
|
| concrete | a strong hard building material composed of sand and gravel and cement and water |
|---|---|
| concrete | form into a solid mass |
| concrete | cover with cement |
| concrete | capable of being perceived by the senses |
| concrete | formed by the coalescence of particles |
| concrete | an area in a city with large modern building that is perceived as dangerous and unpleasant |
| concrete | a machine with a large revolving drum in which cement is mixed with other materials to make concrete |
| concrete | a representation of an abstract idea in concrete terms |
| concrete | in concrete terms |
| concrete | the quality of being concrete (not abstract) |
Á¦Ç°¸í |
ÆÇ¸Å»ç |
º¸ÇèÄÚµå | ¼ººÐ/ÇÔ·® | ±¸ºÐ/º¸Çè±Þ¿© |
|---|
Á¦Ç°¸í |
ÆÇ¸Å»ç |
º¸ÇèÄÚµå | ¼ººÐ/ÇÔ·® | ±¸ºÐ/º¸Çè±Þ¿© |
|---|