How to say "monitor" in Japanese

• モニターJLPT N1approx.Common
  noun, suru verb, transitive verbCovers every sense of 'monitor': the display device, software that monitors something, a person who monitors, and monitoring as an activity. Typical uses range from a computer screen to checking on a process.
  医師いしは患者かんじゃの心臓しんぞうの鼓動こどうと血圧けつあつをモニターで監視かんしした。↗

  The doctor monitored the patient's heartbeat and blood pressure.
• ディスプレイCommon
  nounA computer's display or monitor — the screen you look at. For this device sense it overlaps with モニター, but it is not used for a person who monitors or for monitoring as an activity.

For a computer's display or monitor, both 「モニター」 and 「ディスプレイ」 are used; only 「モニター」 also covers software that monitors, a person who monitors, and monitoring as an activity.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• モニターmonitor (device, software or person)
• 監視局かんしきょくmonitor
• ディスプレイ(computer) display