indicator

経済指標

経済の変化を示したり予測したりするための数値。

やさしい英語で： A measurement that helps show or predict changes in the economy.

• Unemployment is an important economic indicator.
• Several indicators suggest slower growth next year.
• Analysts watch these indicators before making forecasts.

類義語： measure, index

よく使う表現： economic indicator, leading indicator, growth indicator

ウインカー、方向指示器

運転者が曲がる方向を知らせる、車の点滅するライト。

やさしい英語で： A flashing light on a vehicle that shows which way the driver plans to turn.

• Use your indicator before turning.
• Her right indicator was flashing.
• He changed lanes without switching on his indicator.

類義語： turn signal, blinker

よく使う表現： left indicator, right indicator, indicator light

計器、表示器

測定値や機械の状態を示す装置。

やさしい英語で： A device that shows a measurement or the state of a machine.

• Check the fuel indicator.
• The pressure indicator showed a sudden rise.
• A red indicator warns that the battery is low.

類義語： gauge, meter

よく使う表現： fuel indicator, pressure indicator, temperature indicator

指針、メーターの針

測定値を示す、計器の動く針や目盛り盤。

やさしい英語で： The moving pointer or dial on a device that shows a measurement.

• The indicator moved toward zero.
• Watch the indicator as the pressure rises.
• A stuck indicator can give a false reading.

類義語： pointer, needle

よく使う表現： indicator needle, moving indicator, dial indicator

指示薬

色などの変化によって、物質の量や化学反応を示す物質。

やさしい英語で： A substance that changes, often in color, to show a chemical amount or reaction.

• The indicator turned blue.
• Add a drop of indicator to the solution.
• We used an indicator to check the acidity of the water.

よく使う表現： chemical indicator, acid indicator, indicator solution