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)

transitive verb

: to watch, keep track of, or check usually for a special purpose Nurses monitored the patient's heart rate.

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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

Human rights monitors say the arrangements amount to a program of political and demographic engineering in Syria to secure Assad's rule. — Philip Issa, Fox News, "Syrian rebels agree to give up Daraa, cradle of 2011 revolt," 13 July 2018 In Byford’s office, on the thirtieth floor of a building in lower Manhattan, an oversized monitor displays a real-time list of subway incidents and significant delays. — William Finnegan, The New Yorker, "Can Andy Byford Save the Subways?," 2 July 2018 The case was referred to the Ethics Committee by the Office of Congressional Ethics, an independent monitor, in mid-April. — Elise Viebeck, Washington Post, "Ethics panel probing Arizona representative, chief of staff over allegations of improper spending," 28 June 2018 Jacobson said the new agreement expands provisions in last year’s settlement, which provided for an independent compliance monitor to oversee the company’s activities. — Damian Paletta, BostonGlobe.com, "France’s Macron threatens rare rebuke of US at G7, Trump fires back," 8 June 2018 An independent monitor would help enforce the agreement and have the power to inspect the facilities, including the new ones. — Patrick Marley, Milwaukee Journal Sentinel, "Sweeping deal with teen inmates will see Wisconsin end use of pepper spray and restrict solitary at teen prisons," 1 June 2018 The selection was approved by the town councils after it was made by independent monitors appointed by the U.S. government to supervise the towns for 10 years as a result of the religious discrimination case. — Brady Mccombs, Fox News, "Polygamous town under scrutiny picks outsider as chief," 25 May 2018 Ken Thompson, the independent monitor charged with overseeing and ensuring city compliance with the consent decree, did not respond to a request for comment on De Sousa’s departure. — Kevin Rector, baltimoresun.com, "Consent decree reforms progressing despite leadership shake-up, Baltimore Police officials say," 23 May 2018

Recent Examples on the Web: Verb

Last week, 38 North, another organization that monitors North Korea, published satellite images of the country’s main nuclear-research center in Yongbyon, showing that Pyongyang was rapidly upgrading its facilities there. — Jonathan Cheng, WSJ, "North Korea Expands Key Missile-Manufacturing Plant," 1 July 2018 The 25th pick is slotted to receive just over $11 million with about a $6.2 million signing bonus, according to spotrac.com, which monitors sports contracts. — baltimoresun.com, "Tight end Hayden Hurst, Ravens' No. 1 draft pick, agrees to contract terms," 19 June 2018 Image Most consumers agree to enable the software, which allows Samba to monitor their TV habits on a nearly second-by-second basis, identifying video games, HBO shows, political debates and more. — Sapna Maheshwari, New York Times, "Two Senators Call for Investigation of Smart TV Industry," 12 July 2018 In addition to treating the boys for potential dehydration, malnutrition and oxygen depravation, their doctors also plan to closely monitor them for symptoms of diseases that may have been transmitted by animals living in the cave system. — Dina Fine Maron, Scientific American, "Rescued Thai Boys Being Watched for Illnesses Caught from Cave Animals," 10 July 2018 American Solar and Roofing encourages customers to use a device that allows them to monitor the instantaneous demand of their home, allowing them to avoid setting a high demand fee for the month. — Ryan Randazzo, azcentral, "Should you install solar on your home? 10 key considerations," 4 July 2018 And speaking of the DMV, the plate could also potentially be a way for a DMV to monitor future road usage. — Cyrus Farivar, Ars Technica, "Would you pay $700, plus a monthly fee, for a digital license plate?," 2 July 2018 The exchange of information, the suit claims, was used to allow the companies to monitor each other’s production and thereby control supply and price. — Natasha Bach, Fortune, "A Bacon and Hot Dog Cartel? A New Lawsuit Says Big Pork Producers Are Colluding to Raise Prices," 29 June 2018 Arabesque’s tool, launched to the public in 2017, allows investors, regulators, public companies, and consumers to monitor the sustainability of around 7,000 of the world’s largest corporations. — Erin Arvedlund, Philly.com, "We rank Philly companies on diversity, governance, & transparency. The winners may surprise you," 29 June 2018

These 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.