peripheral

周辺の、外縁の

場所や物の外側の縁、またはその近くにある。

やさしい英語で： At or near the outer edge of an area or object.

• Movement caught my peripheral vision.
• The peripheral areas of the city lack buses.
• These villages occupy peripheral positions in the region.

類義語： outer, outlying

反対語： central

よく使う表現： peripheral vision, peripheral areas, peripheral regions

重要でない、副次的な

中心となる事柄に比べて重要性が低い。

やさしい英語で： Having little importance compared with the main things involved.

• Cost was a peripheral concern.
• He played a peripheral role in the project.
• We can discuss the peripheral details later.

類義語： minor, secondary, unimportant

反対語： important, central

よく使う表現： peripheral role, peripheral detail, peripheral importance

本題から外れた、周辺的な

話し合っている中心的な話題との関係が薄い。

やさしい英語で： Only loosely connected to the main subject being discussed.

• That question is peripheral to our discussion.
• They raised several peripheral issues during the debate.
• Her comments seemed peripheral to the argument.

使い方： peripheral to something (The cost is peripheral to this discussion.)

類義語： incidental, tangential

反対語： relevant

よく使う表現： peripheral to something, peripheral issue, peripheral concern

補助的な、周辺機器の

主な機械やシステムを補助したり、機能を追加したりする。

やさしい英語で： Providing extra support or functions for a main machine or system.

• The printer is a peripheral device.
• They replaced the peripheral equipment first.
• Peripheral hardware gives the system extra functions.

類義語： auxiliary, supporting

よく使う表現： peripheral equipment, peripheral device, peripheral hardware

末梢の

脳と脊髄の外にある神経に関する。

やさしい英語で： Relating to the nerves outside the brain and spinal cord.

• The injury damaged a peripheral nerve.
• Peripheral nerves carry signals to the muscles.
• The test checks for peripheral nerve damage.

よく使う表現： peripheral nerves, peripheral nervous system, peripheral nerve damage

周辺機器

印刷などの機能を追加するためにコンピューターにつなぐ機器。

やさしい英語で： A device connected to a computer to provide extra functions, such as printing.

• A printer is a computer peripheral.
• I connected two new peripherals yesterday.
• Does this peripheral need its own power supply?

類義語： peripheral device

よく使う表現： computer peripheral, connect a peripheral, external peripheral