Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “monitor”

monitor

noun [C]  /ˈmɑn·ɪ·t̬ər/ us  

monitor noun [C] (SCREEN)

a device with a screen on which words or pictures can be shown: a computer monitor

monitor noun [C] (WATCHER)

a person who has the job of watching or checking particular things, or a machine that regularly tests or records things: United Nations monitors were prevented from entering the area. A fetal monitor records an unborn baby’s heartbeat. In school, a monitor is a student with special duties who helps the teacher: the attendance monitor

monitor

verb [T]  /ˈmɑn·ɪ·t̬ər/ us  

monitor verb [T] (WATCH)

to watch and check something carefully over a period of time: They hired an accountant to help monitor cash flow. The nurse is monitoring his heart rate and respiration.
(Definition of monitor from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of monitor?
Add Cambridge dictionaries to your browser to your website

Definitions of “monitor” in other dictionaries

Word of the Day

see the light of day

When something sees the light of day, it appears for the first time.

Word of the Day

Highly delighted, bitterly disappointed, ridiculously cheap: adverbs for emphasis.

by Liz Walter,
October 22, 2014
We often make adjectives stronger by putting an adverb in front of them. The most common ones are very and, for a stronger meaning, extremely: He was very pleased. The ship is extremely large. However, we don’t use very or extremely for adjectives that already have a strong meaning, for example fantastic,

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More