monitor
noun
mon·i·tor
| \ ˈmä-nə-tər
\
\
Definition of monitor
(Entry 1 of 2)
1a
: a student appointed to assist a teacher
b
: one that warns or instructs
monitors and instructors for troops green in the art of war — New York Times
c
: one that monitors or is used in monitoring: such as
(1)
: an electronic device with a screen used for display (as of television pictures or computer information)
(2)
: a device for observing a biological condition or function
a heart monitor
2
: monitor lizard
3 [ Monitor, first ship of the type ]
a
: a heavily armored warship formerly used in coastal operations having a very low freeboard and one or more revolving gun turrets
b
: a small modern warship with shallow draft (see draft entry 1 sense 8) for coastal bombardment
4
: a raised central portion of a roof having low windows or louvers for providing light and air
monitor
verb
monitored;
monitoring\ ˈmä-nə-t(ə-)riŋ
\
\
Definition of monitor (Entry 2 of 2)
: to watch, keep track of, or check usually for a special purpose
Nurses monitored the patient's heart rate.
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Other Words from monitor
Noun
monitorial
\ ˌmä-nə-ˈtȯr-ē-əl
\
adjective
\
adjective
monitorship
\ ˈmä-nə-tər-ˌship
\
noun
\
noun
Examples of monitor in a Sentence
Noun
They watched the press conference on a video monitor in a back room. We put a baby monitor in the nursery. U.N. weapons monitors and inspectors.Verb
Nurses constantly monitored the patient's heart rate. We're in a good position to monitor and respond to customer concerns. Government agents have been monitoring the enemy's radio communications.
Recent Examples on the Web: Noun
Meanwhile, a monitor for the Texas Education Agency, Laurie Elliot, has delivered reports that are critical of the board majority and defensive of Flores. — Krista Torralva, ExpressNews.com, "Three trustees resign amid superintendent resignation in South San Antonio ISD," 4 Sep. 2019 After being scheduled for proceedings before federal immigration courts, some workers -- many of whom are parents -- were allowed to return to their homes with GPS ankle monitors. — Dianne Gallagher, CNN, "After Mississippi ICE raids, some affected children still are without a parent, official says," 16 Aug. 2019 To further get into his new friend’s mindset, Hodge even spent a month wearing the ankle monitor that Banks had to wear during his parole. — Derek Lawrence, EW.com, "With a new movie and a new series, Aldis Hodge is ready to embrace success," 7 Aug. 2019 Judges presiding over the case have appointed a series of monitors to oversee the department’s compliance. — Megan Cassidy, SFChronicle.com, "Federal judge blasts Oakland for losing ground in court-ordered policing reforms," 21 Aug. 2019 The hangar will give paying customers the opportunity to witness every aspect of the space launch operation, providing views of the hangar and the space vehicles as well as the banks of monitors inside mission control. — Fox News, "Virgin Galactic gives space tourism big boost as 'Gateway to Space' is now open," 16 Aug. 2019 The interior spaces unveiled Thursday aim to connect paying customers with every aspect of the operation, providing views of the hangar and the space vehicles as well as the banks of monitors inside mission control. — Washington Post, "Virgin Galactic reveals futuristic outpost for space tourism," 15 Aug. 2019 Local residents posted photos of radiation monitors on social media, despite official statements that there was no reason to be concerned about exposure. — Sabra Ayresmoscow Correspondent, Los Angeles Times, "After a deadly nuclear missile test in Russia’s north, the Kremlin stuck to an old Soviet habit: Secrecy," 13 Aug. 2019 Last year, a group of researchers reported findings at the Crypto 2018 conference in Santa Barbara, California that ultrasonic emanations from the internal components of computer monitors could reveal the information being depicted on the screen. — Lily Hay Newman, WIRED, "Hackers Can Turn Everyday Speakers Into Acoustic Cyberweapons," 11 Aug. 2019Recent Examples on the Web: Verb
Indianapolis Metropolitan Police will be monitoring the traffic in the coming days. — London Gibson, Indianapolis Star, "Hit-and-run, scraping noises and a surprise unloading: Your Red Line questions answered after Day One," 1 Sep. 2019 Transparency watchdogs monitor the rise and fall of Mr Orban’s coterie by charting who gets the most public contracts. — The Economist, "How Viktor Orban hollowed out Hungary’s democracy," 29 Aug. 2019 Officials will continue to monitor the lions and future closures may occur if the lions return to lingering in areas of the preserve that are more heavily trafficked by visitors. — Maggie Angst, The Mercury News, "Peninsula’s most popular open space preserve fully reopens after mountain lions retreat," 29 Aug. 2019 Chinese authorities have long monitored and conducted surveillance on students from China on campuses around the world. — Yaqiu Wang, Twin Cities, "Yaqiu Wang: Why so many Chinese students can’t understand the Hong Kong protests," 27 Aug. 2019 Users of the network can monitor a tree’s growth, generate graphs, and correlate them with meteorological data. — M. R. O’connor, The New Yorker, "A Day in the Life of a Tree," 27 Aug. 2019 State crews are monitoring five key water bodies, including sections of the Mississippi, Wisconsin and Marinette rivers, for the presence of the chemicals in water and fish tissue and will report those findings in a few weeks, according to the DNR. — Lee Bergquist, Milwaukee Journal Sentinel, "Tony Evers announces push to address emerging chemical pollution," 23 Aug. 2019 The courts consistently have denied these requests and have continued to monitor the detention of migrant children, as the Flores settlement requires them to do. — Kevin Johnson, The Conversation, "Changes for a landmark agreement mean immigrant children face harsher treatment in US," 22 Aug. 2019 Gordon said that although WHO would continue to monitor levels of microplastics in water, the higher priority is proven risks in drinking water like bacteria that cause typhoid and cholera. — NBC News, "Don't worry about drinking microplastics in water, UN says," 22 Aug. 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'monitor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for monitor
monitor
noun
English Language Learners Definition of monitor
(Entry 1 of 2)
: a device that shows information or images on a screen
: a device that is used to listen to sounds being made in another room
: a device that shows and records information about a condition or function of the body
monitor
verbEnglish Language Learners Definition of monitor (Entry 2 of 2)
: to watch, observe, listen to, or check (something) for a special purpose over a period of time
See the full definition for monitor in the English Language Learners Dictionary