| programmed instruction | A teaching method which employs self-instructional programs enabling the student to learn at his own pace. Teaching machines or programmed textbooks may be used. (12 Dec 1998) |
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| computer-assisted instruction | A self-learning technique, usually online, involving interaction of the student with programmed instructional materials. (12 Dec 1998) |
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| programmed cell death | <cell biology, molecular biology> The concept that certain cells are determined to die at specific stages and specific sites during development, for example cells in the spaces between the developing digits of vertebrates, thus dividing them. Programmed cell death occurs by apopotosis. (18 Nov 1997) |
| programmed timber harvest | A timber harvest scheduled by a management plan to occur at a certain rate. (05 Dec 1998) |
| instruction | The act of furnishing with authoritative directions. (18 Nov 1997) |