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a2 |
any one of a group or kind. [2/3 definitions] |
abandon ship |
to extricate oneself from a situation where danger or failure seems imminent, often at the expense of loyalty to a group or cause. [1/2 definitions] |
accent |
a manner of speaking characteristic of a particular person, group of people, or geographic region. [1/8 definitions] |
accepted |
welcomed into a group or society; approved. [1/2 definitions] |
acculturation |
in sociology, the process of taking on the ways and values of a society or group. |
-aceous |
of or relating to a (specified) botanical or zoological group. [1/3 definitions] |
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] |
acrylic fiber |
any of a group of synthetic fibers that are made chiefly of acrylonitrile that has been formed into polymers. |
acrylic resin |
any of a group of transparent synthetic resins that become pliable or set when heated and are used in acrylic fibers, plastics, and synthetic rubbers. |
actin |
any of a group of contractile proteins, including proteins involved in muscle contraction, cell motility, and maintenance of cellular shape. |
actinium |
a radioactive chemical element of the rare-earth group that has eighty-nine protons in each nucleus. (symbol: Ac) |
adenovirus |
any of a group of viruses that causes disease of the upper respiratory tract. |
advance man |
an agent or aide who takes care of publicity, security, and other arrangements in advance of the appearance of a politician, theater group, or the like. |
adversary |
a person, group, or thing opposed to another; opponent; enemy. |
aflatoxin |
any of a group of toxic compounds produced by certain molds, esp. those in the genus Aspergillus. Consumption of food contaminated with these molds can cause liver disease and cancer. |
aggressor |
a person, group, animal, or nation that starts aggression against another. |
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. |
alien |
one who is considered foreign to a particular group or family; outsider. [1/6 definitions] |
alkali metal |
any of a group of highly reactive chemical elements, such as sodium and potassium, that are typically univalent cations forming various compounds, but that can be isolated as soft, low-density metals. |
alkaline-earth metal |
any of a group of highly reactive chemical elements, such as calcium and magnesium, that are typically divalent cations and form compounds with various other elements. |
alkalinize |
to produce an alkali from (a chemical group). [1/2 definitions] |
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