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."
monitor (v.)
1818, "to guide;" 1924, "to check for quality" (originally especially of radio signals), from monitor (n.). General sense from 1944. Related: Monitored; monitoring.
雙語例句
1. Officials had not been allowed to monitor the voting.
以前不允許官員監督投票。
來自柯林斯例句
2. Meetings are held periodically to monitor progress on the case.
定期舉行會議以監督案件的進展。
來自柯林斯例句
3. It would monitor traffic flows and provide feedback to motorists.
它能監控交通狀況，然後給司機提供反饋信息。
來自柯林斯例句
4. Fund managers are poorly placed to monitor firms.
基金管理人不適合監管公司。
來自柯林斯例句
5. The heart monitor shows low levels of consciousness.