1

monitor

play
noun mon·i·tor \ ˈmä-nə-tər \

Definition of monitor

1 a :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) :a cathode-ray tube used for display (as of television pictures or computer information)
(2) :a device for observing a biological condition or function
  • a heart monitor
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 1draft 8) for coastal bombardment
4 :a raised central portion of a roof having low windows or louvers for providing light and air

monitorial

play \ˌmä-nə-ˈtȯr-ē-əl\ adjective

monitorship

play \ˈmä-nə-tər-ˌship\ noun

Examples of monitor in a Sentence

  1. They watched the press conference on a video monitor in a back room.

  2. We put a baby monitor in the nursery.

  3. U.N. weapons monitors and inspectors.

Recent Examples of monitor from the Web

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.

Origin and Etymology of monitor

Latin, one that warns, overseer, from monēre to warn — more at mind

Other Computer-Related Terms


2

monitor

verb

Definition of monitor

monitored; monitoring play \ˈmä-nə-t(ə-)riŋ\
transitive verb
:to watch, keep track of, or check usually for a special purpose
  • Nurses monitored the patient's heart rate.

Examples of monitor in a Sentence

  1. Nurses constantly monitored the patient's heart rate.

  2. We're in a good position to monitor and respond to customer concerns.

  3. Government agents have been monitoring the enemy's radio communications.

Recent Examples of monitor from the Web

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.

Origin and Etymology of monitor

monitor Synonyms



MONITOR Defined for English Language Learners

monitor

verb

Definition of monitor for English Language Learners

  • : to watch, observe, listen to, or check (something) for a special purpose over a period of time


MONITOR Defined for Kids

1

monitor

play
noun mon·i·tor \ ˈmä-nə-tər \

Definition of monitor for Students

1 :a video screen used for display (as of television pictures or computer information)
2 :a student in a school picked for a special duty (as keeping order)
3 :a person or thing that watches or checks something
  • a heart monitor

2

monitor

verb

Definition of monitor for Students

monitored; monitoring
:to watch or check for a special reason
  • Nurses monitored the patient's heart rate.

Medical Dictionary

1

monitor

play
noun mon·i·tor \ ˈmän-ət-ər \

medical Definition of monitor

:one that monitors; especially :a device for observing or measuring a biologically important condition or function
  • a heart monitor

2

monitor

transitive verb

medical Definition of monitor

monitored; monitoring play \ˈmän-ət-ə-riŋ, ˈmän-ə-triŋ\
1 :to watch, observe, or check closely or continuously
  • monitor a patient's vital signs
2 :to test for intensity of radiations especially if due to radioactivity


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