| chlorine |
a substance that is one of the chemical elements. It combines with sodium to form table salt. It is also used in making bleach. Chlorine is poisonous in its pure gas form. (symbol: Cl) |
| chromium |
a shiny, silver-gray metal that is one of the chemical elements. Chromium does not rust easily. It is used on surfaces, such as the metal trim on cars, because it stays shiny. It can be combined with other metals to form alloys. (symbol: Cr) |
| Cl |
symbol of the chemical element chlorine |
| Co |
symbol of the chemical element cobalt. |
| coat of arms |
the symbol of a family, country, or organization. It shows designs and figures on and around a shield. |
| cobalt |
a brittle silver-white metal that is one of the chemical elements. Cobalt is sometimes added to other metals in alloys to make them harder. It is also used in making some kinds of paint. (symbol: Co) |
| copper |
a reddish brown metal that is one of the chemical elements. Copper is used to make pipes, because it does not easily rust. It is also used to make wires, because it is an excellent conductor of electricity. It can be combined with other metals to make alloys such as brass and bronze. (symbol: Cu) [1/4 definitions] |
| cornucopia |
the mythical horn of a goat that had an endless supply of food; horn of plenty. The cornucopia is used as a symbol of having plenty to eat. [1/2 definitions] |
| Cr |
symbol of the chemical element chromium. |
| cross |
something in the shape of a cross that is used as a symbol for Christianity. [1/10 definitions] |
| dove1 |
a pure white bird of this type as a symbol of peace. [1/2 definitions] |
| Eiffel Tower |
a tall tower made of iron constructed in Paris, France in 1889. It is a symbol of Paris and a popular tourist attraction. |
| emblem |
an object that stands for something; symbol. |
| F2 |
symbol of the chemical element fluorine. |
| Fe |
symbol of the chemical element iron. |
| figure |
a number or other written symbol that is not a letter of the alphabet. [1/10 definitions] |
| fluorine |
a substance that is a chemical element. Fluorine combines easily with other elements to form compounds. Some of these compounds are used to prevent tooth decay. Fluorine is poisonous in its pure gas form. (symbol: F) |
| gold |
a soft, heavy, yellow metal that is one of the chemical elements. It is often combined with other metals to make it harder and stronger. Gold is very valuable. (symbol: Au) [1/7 definitions] |
| He |
symbol of the chemical element helium. |
| helium |
a gas that is one of the chemical elements. It is used to fill balloons and blimps because it is lighter than air. (symbol: He) |
| Hg |
symbol of the chemical element mercury. |