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| Acapulco |
a port city on the Pacific coast of southern Mexico, known for its resorts and water sports. |
| acetamide |
a colorless water-soluble crystalline solid used esp. in forming organic compounds. |
| acid |
in chemistry, any of a group of substances that usu. dissolve in water, have a sour taste, and form salts in reaction with bases. (Cf. base.) [1/7 definitions] |
| afloat |
on the water; floating. [2/6 definitions] |
| aground |
on or onto ground, esp. under water. [2 definitions] |
| albumin |
any of a class of proteins soluble in water and coagulating in heat, found in egg white, blood, milk, and various plant and animal tissues. |
| alluvial |
of or pertaining to a flood plain or to sediment deposited by flowing water. |
| alluvium |
sand, soil, gravel, or the like deposited by moving water, as along a river bed. (Cf. eluvium.) |
| aluminum hydroxide |
a white, water-insoluble powder used as an antacid and to waterproof fabric and manufacture glass. |
| aluminum sulfate |
a white, water-soluble substance used to purify water, manufacture paper, and fix dyes. |
| ammonia |
ammonium hydroxide, the compound formed by dissolving ammonia gas in water. [1/2 definitions] |
| ammonium hydroxide |
a colorless basic solution produced by dissolving ammonia in water, used as a household cleaner and in the production of textiles, plastic, and the like. (See ammonia.) |
| ammonium sulfate |
a water-soluble salt, used mainly to purify water and as a fertilizer. |
| amphibian |
a vehicle that is capable of operating on both land and water. [2/4 definitions] |
| amphibious |
able to live both on land and in water. [2/3 definitions] |
| anchor |
a heavy device, connected by a cable to a boat or ship, that is dropped to the bottom of a body of water to restrict the vessel's motion. [1/7 definitions] |
| anhydride |
a chemical compound derived from another through the removal of water. |
| anhydrous |
without water. |
| antifreeze |
a substance that lowers the freezing point of a liquid such as water, esp. in an automobile radiator. |
| aqua |
water, or a watery solution. [1/2 definitions] |
| aquaculture |
the cultivation of water plants, fish, shellfish, and other aquatic animals in controlled freshwater or saltwater environments. |
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