The monitor in November reported that more than 10 percent of the population uses Facebook in 51 countries.
Amid this backdrop Sir John ordered the General Post Office (GPO) covertly to monitor the King's telephone calls.
Their app, Colorimetrix, is accurate enough to monitor conditions such as diabetes, kidney disease, and urinary tract infections.
1540s, "senior pupil at a school charged with keeping order, etc.," from Latin monitor "one who reminds, admonishes, or checks," also "an overseer, instructor, guide, teacher," agent noun from monere "to admonish, warn, advise," related to memini "I remember, I am mindful of," and to mens "mind," from PIE root *men- "to think" (see mind (n.)).
The type of lizard so called because it is supposed to give warning of crocodiles (1826). Meaning "squat, slow-moving type of ironclad warship" (1862) so called from name of the first vessel of this design, chosen by the inventor, Swedish-born U.S. engineer John Ericsson (1803-1889), because it was meant to "admonish" the Confederate leaders in the U.S. Civil War. Broadcasting sense of "a device to continuously check on the technical quality of a transmission" (1931) led to special sense of "a TV screen displaying the picture from a particular camera."
1818, "to guide;" 1924, "to check for quality" (originally especially of radio signals), from monitor (n.). General sense from 1944. Related: Monitored; monitoring.
monitor mon·i·tor (mŏn'ĭ-tər)
A usually electronic device used to record, regulate, or control a process or system. v. mon·i·tored, mon·i·tor·ing, mon·i·tors
A device that accepts video signals from a computer and displays information on a screen. Monitors generally employ cathode-ray tubes or flat-panel displays to project the image. See Note at pixel.