precision

正確さ、精密さ

細かいところまで正確で、丁寧であること。

やさしい英語で： The quality of being very exact and careful.

• She cut the paper with precision.
• The dancers moved with remarkable precision.
• His instructions lacked precision.

使い方： with precision (She described the procedure with precision.); precision in something (Precision in timing is essential for this performance.)

類義語： exactness, accuracy

反対語： imprecision

よく使う表現： great precision, with precision, precision in something

精密度、再現性

同じ測定を繰り返したとき、ほぼ同じ結果が得られること。

やさしい英語で： The ability to get almost the same result when a measurement is repeated.

• Repeated readings showed high precision.
• The test has good precision but poor accuracy.
• We checked the precision of the measurements by repeating them.

類義語： repeatability, reproducibility

よく使う表現： high precision, measurement precision, precision of something

数値精度、精度

測定した数値のうち、何桁まで信頼できるか。

やさしい英語で： How many digits in a measured number can be trusted.

• The instrument has limited precision.
• Record the value with a precision of three significant figures.
• Rounding the number reduced its precision.

類義語： numerical precision

よく使う表現： measurement precision, decimal precision, precision of something

精密な、高精度の

物を非常に正確に測れるように作られた。

やさしい英語で： Designed to measure things very exactly.

• We use precision scales in the laboratory.
• This precision instrument measures tiny changes in pressure.
• The technician checked the precision measuring equipment.

類義語： high-precision

よく使う表現： precision instrument, precision scale, precision measuring equipment