Mass Nouns

2. any chemical compound formed from the reaction of an acid with a base, with all or part of the hydrogen of the acid replaced by a metal or other cation.
4. watery liquid secreted into the mouth by glands, providing lubrication for chewing and swallowing, and aiding digestion.
8. any organic compound whose molecule contains one or more hydroxyl groups attached to a carbon atom.
10. a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
11. fine, dry powder consisting of tiny particles of earth or waste matter lying on the ground or on surfaces or carried in the air.
13. a light fuel oil obtained by distilling petroleum, used especially in jet engines and domestic heaters and lamps and as a cleaning solvent.
14. a sour-tasting liquid containing acetic acid, obtained by fermenting dilute alcoholic liquids, typically wine, cider, or beer, and used as a condiment or for pickling.
15. the chemical element of atomic number 80, a heavy silvery-white metal that is liquid at ordinary temperatures.
17. an alcoholic drink made from fermented grape juice.
18. material such as coal, gas, or oil that is burned to produce heat or power.

1. a viscous liquid derived from petroleum, especially for use as a fuel or lubricant.
2. any of the class of soluble, crystalline, typically sweet-tasting carbohydrates found in living tissues and exemplified by glucose and sucrose.
3. the red liquid that circulates in the arteries and veins of humans and other vertebrate animals, carrying oxygen to and carbon dioxide from the tissues of the body.
4. a visible suspension of carbon or other particles in air, typically one emitted from a burning substance.
5. a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.
6. a colorless volatile liquid ketone made by oxidizing isopropanol, used as an organic solvent and synthetic reagent.
7. fine dry particles produced by the grinding, crushing, or disintegration of a solid substance.
9. colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.
12. refined petroleum used as fuel for internal combustion engines.
16. a watery, typically yellowish fluid stored in the bladder and discharged through the urethra. It is one of the body's chief means of eliminating excess water and salt and also contains nitrogen compounds such as urea and other waste substances removed from the blood by the kidneys.