A term describing a function for which there is an effective algorithm that correctly calculates the function. The algorithm must consist of a finite sequence of instructions.
noun, Electricity. 1. the magnitude of an alternating current having the same heating effect as that of a given magnitude of direct current.
noun 1. the amount of a drug, or level of radiation exposure, that is sufficient to achieve the desired clinical improvement. effective dose n. Abbr. ED The dose, usually of a drug, that produces a desired effect.
- Effective half-life
effective half-life n. See half-life.
[ih-fek-tiv] /ɪˈfɛk tɪv/ adjective 1. adequate to accomplish a purpose; producing the intended or expected result: effective teaching methods; effective steps toward peace. 2. actually in operation or in force; functioning: The law becomes effective at midnight. 3. producing a deep or vivid impression; striking: an effective photograph. 4. prepared and available for service, especially […]