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
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. 2019 For much of 2009 and 2010, Inga Geipel huddled over a series of computer monitors in a four- by four-meter chicken-wire cage along the rainforest of Barro Colorado Island. — Michael Waters, Smithsonian, "Bats Use Leaves as Mirrors to Locate and Catch Their Prey," 1 Aug. 2019 The company, which has a number of personalized heart monitors on the market (including an FDA-cleared, six-lead ECG) has been on a hiring binge. — Sy Mukherjee, Fortune, "How CVS Wants to Link Social Care With Health Care: Brainstorm Health," 24 July 2019 Dexcom, the maker of continuous glucose monitors, gave President and Chief Executive Kevin Sayer an additional title last year — chairman of the board. — San Diego Union-Tribune, "How much did San Diego’s top CEOS make last year? (Hint, their average pay went up 42%)," 14 July 2019Recent Examples on the Web: Verb
Varadkar said that Ireland will monitor Brazil's environmental actions to determine whether to block the Mercosur deal, which is two years away. — Eliza Mackintosh, CNN, "The Amazon is burning because the world eats so much meat," 23 Aug. 2019 The slow-moving robot had been monitoring a structure on Watkins Street because of previous vandalism in the area, police said. — Los Angeles Times, "A robot videotapes vandalism suspect before its world turns upside down," 22 Aug. 2019 Searcy said the department is trying to build capacity within Alabama to oversee and monitor charter schools. — al, "Alabama spending $800,000 to grow charter schools," 22 Aug. 2019 More than a third of customers Shift monitored spent over five minutes in a shop after receiving their food, and one in eight stuck around for more than 20. — The Economist, "A British anti-knife drive comes home to roost," 22 Aug. 2019 The initial one-year agreement is a test run: Fishing is allowed along nearly two miles of the lake’s shoreline while officials monitor maintenance expenses and revenue from the lake’s concessions and tackle shop. — Aliese Muhonen, Daily Pilot, "‘Everybody’s happy today’: Irvine Lake reopens to the public," 21 Aug. 2019 Alongside the Reds, Premier League rivals Chelsea and Manchester United are also reportedly monitoring the midfielder’s situation, with both sending scouts to watch him play last season. — SI.com, "Liverpool Enter Race for Highly-Rated LOSC Lille Youngster Jean-Pierre Longonda," 21 Aug. 2019 The port authority that operates New York’s JFK Airport and the airport in Newark, New Jersey, said additional staff and police officers monitored situation and helped where needed. — San Diego Union-Tribune, "Customs and Border Protection outage snarls major airports," 16 Aug. 2019 As many as 1 million Uighurs have been herded into reeducation camps, while Tibetans, Kazakhs, and other minorities are monitored and oppressed. — Mona Charen, National Review, "What Hong Kong Means for the U.S.," 16 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