| dye |
a substance that is used to give color to cloth, hair, or other materials. [1/2 definitions] |
| essence |
a concentrated substance taken from a plant that keeps its scent, flavor, or other special traits. [1/2 definitions] |
| explosive |
a substance that is able to cause an explosion. [1/3 definitions] |
| extract |
a strong, concentrated form of a substance. [1/2 definitions] |
| fat |
a white or yellow oily substance found in some parts of animals or plants. Fat is made of carbon, hydrogen, and oxygen. [2/4 definitions] |
| ferment |
a substance that causes the chemical change of fermentation. [1/4 definitions] |
| fertilizer |
a natural or chemical substance added to soil to make it better for growing plants. |
| film |
a thin strip of material covered with a substance that changes in the light. Film is used to make photographs and movies. [1/5 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) |
| foundation |
the basis of something such as an action, substance, structure, or opinion. [1/4 definitions] |
| goo |
(informal) a thick, wet, or sticky substance. |
| gum1 |
a sticky substance that is given off by certain plants. [2/5 definitions] |
| heroin |
a drug made from a substance found in certain plants. Heroin is addictive and harmful. It is against the law to make, use, or possess heroin in the United States. |
| hormone |
a substance made by certain cells in the body. Hormones move around the body in the blood and have effects on certain organs and cells. Hormones help control body processes such as growth. |
| icing |
a sweet substance used for covering or decorating cakes, cookies, or other baked goods; frosting. |
| incense1 |
a substance that has a pleasant smell when burned. |
| 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] |
| lubricate |
to coat or supply with grease, oil, or another slippery substance. |
| lye |
a strong substance used in making soap. It was once made from wood ashes. |
| measuring spoon |
a spoon, often attached with others of different sizes as a set, that when filled gives a specific amount of a substance. Measuring spoons are used especially in cooking or baking. |
| medicine |
a drug or other substance used to treat a disease, injury, pain, or other symptoms. [1/2 definitions] |