| absolute |
without anything added; pure. [1/4 definitions] |
| carbon |
a chemical element found in all living things. Pure carbon occurs as diamond or graphite. It is also often found in compounds with other elements. (symbol: C) |
| chemical element |
Everything in our world and in space is made up of different chemical elements. Things like oxygen, lead, iron, and gold are some of these elements. Chemical elements are the very simple building blocks of all other things. They are pure substances. That means that they are made up of only one type of thing--one type of atom. The element iron, for example, is made up of only atoms of iron. It's not mixed with anything else. The chemical elements do mix with other chemical elements, though. That's how we get things like water, which is made up of two elements: oxygen and hydrogen. |
| 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) |
| clarity |
the state or condition of being clear or pure. [1/2 definitions] |
| clean |
pure; free from pollution. [1/6 definitions] |
| concentrate |
to make stronger or more pure. [1/5 definitions] |
| contaminate |
If germs contaminate something, they get onto it or into it. When that happens, the thing is not clean or pure anymore. If germs contaminate your toothbrush, they get onto your toothbrush and then your toothbrush is not clean or pure anymore. |
| diamond |
a clear mineral that is a crystal form of pure carbon. Diamonds are the hardest natural substance known. They are used in making jewelry and as tools for cutting hard materials. [1/5 definitions] |
| dove1 |
a pure white bird of this type that is seen as a symbol of peace, or an image of such a bird used as a symbol. [1/2 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) |
| fresh |
pure and refreshing. [1/7 definitions] |
| Hindu |
A Hindu is a person who believes in the religion of Hinduism or is from India and follows the traditions of Hindu culture. Hindus believe that people should try to live pure and simple lives and try not to think about just themselves and the things they want in this world. Hindus also believe that when people die, they can return to earth in the form of something else. Religious Hindus believe in many gods that are all parts of a higher god, or set of gods, named Vishnu, Brahma, and Shiva. |
| impure |
mixed with something that is harmful; polluted or not pure. |
| iodine |
a substance that is one of the chemical elements. Iodine combines easily with other elements. It is found in salt water and seaweed. Iodine is poisonous in its pure crystal form. (symbol: I) [1/2 definitions] |
| karat |
a unit of measure for the purity of gold equal to one twenty-fourth part of pure gold. |
| pure |
When something is pure, it is not mixed with anything else. A pure wool jacket is made only of wool. Pure anger is not mixed with any other emotion. [4 definitions] |
| purification |
the process of removing dirt, bacteria, or other unwanted elements; make pure. [1/2 definitions] |
| purify |
to make clean or pure. |
| refine |
to make pure or fine. |
| sheer1 |
pure and total. [1/3 definitions] |