[op-uh-rey-shuh-nl] /ˌɒp əˈreɪ ʃə nl/
able to function or be used; functional:
How soon will the new factory be operational?
of or relating to operations or an operation.
of or relating to an operation or operations
in working order and ready for use
(military) capable of, needed in, or actually involved in operations
1922, “pertaining to operation,” from operation + -al (1). Meaning “in a state of functionality” is from 1944.
noun, Electronics. 1. a high-gain, high-input impedance amplifier, usually an integrated circuit, that can perform mathematical operations when suitably wired. noun 1. 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