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| chemistry |
the science that studies the structures, functions, transformations, and interactions of basic elements, as, for example, carbon, oxygen, hydrogen, and sodium, as well as complex substances that combine basic elements. [1/4 definitions] |
| dynamics |
(used with a sing. verb) a branch of physics that studies how motion and the action of forces affecting motion interrelate. [1/3 definitions] |
| heterocyclic |
of or pertaining to the branch of chemistry that studies these compounds. [1/2 definitions] |
| programmed instruction |
a program of study divided into discrete units that students may complete at their own pace, being required only to finish one unit before advancing to the next. |
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