[ih-fek-tiv] /ɪˈfɛk tɪv/
adequate to accomplish a purpose; producing the intended or expected result:
effective teaching methods; effective steps toward peace.
actually in operation or in force; functioning:
The law becomes effective at midnight.
producing a deep or vivid impression; striking:
an effective photograph.
prepared and available for service, especially military service.
a member of the armed forces fit for duty or active service.
the effective total of a military force.
productive of or capable of producing a result
in effect; operative: effective from midnight
producing a striking impression; impressive: an effective entrance
(prenominal) actual rather than theoretical; real: the effective income after deductions
(of a military force, etc) equipped and prepared for action
(physics) (of an alternating quantity) having a value that is the square root of the mean of the squares of the magnitude measured at each instant over a defined period of time, usually one cycle See also root mean square
a serviceman who is equipped and prepared for action
late 14c., from French effectif, from Latin effectivus “productive, effective,” from effect-, stem of efficere (see effect (n.)). Effectively in the sense of “actually” is attested by 1650s. Related: Effectivity.
- Effective number of bits
hardware (ENOB) An indication of the quality of an analog to digital converter. The measurement is related to the test frequency and the signal-to-noise ratio. [Better definition?] (1998-06-15)
- Signal-to-noise ratio
noun 1. the ratio of one parameter, such as power of a wanted signal to the same parameter of the noise at a specified point in an electronic circuit, etc 1. (SNR, “s/n ratio”, “s:n ratio”) “Signal” refers to useful information conveyed by some communications medium, and “noise” to anything else on that medium. The […]
- Effective osmotic pressure
effective osmotic pressure n. The part of the total osmotic pressure of a solution that governs the tendency of its solvent to pass across a boundary, usually a semipermeable membrane.
- Effective renal blood flow
effective renal blood flow n. Abbr. ERBF The amount of blood flowing to the parts of the kidney that produce urine.