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Reverse Search
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| ABO system |
a classification system for the inherited antigens found on the surface of human red blood cells, which determine compatibility for blood transfusions. |
| abound |
to be found in large numbers or amounts. |
| adder2 |
a small, poisonous snake found in Europe and Asia. |
| adenosine |
an organic compound that is made up of adenine and ribose and found in nucleic acids, and that may be obtained as a white crystalline powder through the hydrolysis of yeast. |
| admiral |
any of a family of brightly colored, medium to large-sized butterflies, found worldwide. [1/2 definitions] |
| agouti |
any of several related nocturnal, burrowing rodents found in the tropics of the Western Hemisphere that are about the size of a rabbit but have short ears and grizzled fur. |
| alanine |
a nonessential amino acid that is found in proteins. |
| albacore |
a variety of tuna found in warm to temperate waters, and often canned for human consumption. |
| albatross |
a very large sea bird found mostly in the Southern Hemisphere. Albatrosses have webbed feet, long narrow wings, and hooked beaks. |
| 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. |
| alewife1 |
a small fish, related to the herring and resembling the shad, found in North America in the Atlantic Ocean and the Great Lakes. |
| alkali |
a soluble salt found in some soil composition, making it unfit for agriculture. [1/2 definitions] |
| alkaloid |
any of various nitrogen-containing organic bases found in plants and from which drugs such as nicotine, quinine, and morphine are made. |
| alligator |
either of two large crocodilian reptiles found in China and the southeastern United States and distinguished by their short broad snouts. |
| altocumulus |
a cloud having rounded, fluffy edges and a white or gray color, found at medium altitudes. |
| altostratus |
a thick dense cloud that forms a uniform gray sheet that often produces precipitation, found at medium altitudes. |
| ament1 |
a dense, drooping cluster of scalelike flowers growing around a spike, found on trees such as poplars, birches, and willows; catkin. |
| amylase |
any of a class of enzymes, found in saliva and many tissues of plants and animals, that break down starch to sugars. |
| anaconda |
a very large snake found in South America. Anacondas are not poisonous but kill other animals by squeezing them until they cannot breathe. Anacondas can grow to over twenty feet long. |
| anchovy |
a small fish that is related to the herring and is used for food. Anchovies are found mostly in warm ocean waters. |
| anthill |
a pile of earth made by ants as they dig their underground nest. Anthills are found near the nest entrance. |
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