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| agaric |
any of numerous related fungi with gills on the underside of a cap; mushroom. |
| aggregate |
to collect in one mass or sum. [1/6 definitions] |
| agitprop |
inflammatory political propaganda spread through literature, theater, music, and art, esp. as used in support of communism. |
| aim |
to direct, as a remark, question, or criticism. [1/8 definitions] |
| air chamber |
a compartment in which air is confined for a special use, as in a pump, a hydraulic fluid regulator, or a living organism. |
| air hole |
an open place in the frozen surface of a lake, pond, or stream. [1/3 definitions] |
| airline |
a system of transportation by air offering scheduled flights between various points, or a business that owns and operates the equipment required by such a system. [1/2 definitions] |
| Al |
symbol of the chemical element aluminum. |
| ala |
a wing or winglike part or structure on a living organism. |
| alcoholic |
afflicted with alcoholism. [2/4 definitions] |
| aldehyde |
in chemistry, any of a group of organic compounds, such as formaldehyde, the molecule of which contains a terminal carbon atom bound separately to a hydrogen and an oxygen atom. |
| algorism |
the system of numbering and calculating in Arabic numerals and decimals; decimal system. |
| alignment |
the act of arranging, adjusting, or forming into a straight line, logical sequence, or coordinated system. [1/4 definitions] |
| allomerism |
change in chemical composition without accompanying change in crystalline form. |
| allotropy |
the existence of some chemical elements in more than one structural form. |
| all-star |
a player on an all-star team. [1/2 definitions] |
| allure |
the force of appeal or charm. [1/4 definitions] |
| alpha wave |
the type of brain wave that is a sign of relaxation, having frequencies from eight to thirteen hertz; alpha rhythm. |
| alpinist |
a downhill skier, especially a competitive skier who takes part in downhill events such as slalom. [1/2 definitions] |
| alumina |
natural or synthetic aluminum oxide, occurring in nature as a corundum. |
| aluminium |
British spelling of aluminum. |
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