a high-gain, high-input impedance amplifier, usually an integrated circuit, that can perform mathematical operations when suitably wired.
a high-gain direct-coupled amplifier, the response of which may be controlled by negative-feedback circuits externally connected
noun, Mathematics. 1. a method for solving a differential equation by treating differential operators as ordinary algebraic quantities, thus obtaining a simpler problem.
- Operational database
database A database containing up-to-date, modifiable data, in contrast to a decision support database. (1995-02-14)
- Operational definition
noun a description of an experimental procedure for the translation of a variable into measurement or numeric value
[op-uh-rey-shuh-nl-iz-uh m] /ˌɒp əˈreɪ ʃə nlˌɪz əm/ noun, Philosophy. 1. the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it. /ˌɒpəˈreɪʃənəˌlɪzəm/ noun 1. (philosophy) the theory that scientific terms are defined by the experimental operations which determine their applicability