precision

précision, exactitude

Qualité de ce qui est très exact et fait avec soin.

En anglais simple : The quality of being very exact and careful.

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

Comment l'utiliser : with precision (She described the procedure with precision.); precision in something (Precision in timing is essential for this performance.)

Synonymes : exactness, accuracy

Contraires : imprecision

Expressions courantes : great precision, with precision, precision in something

fidélité, répétabilité

Capacité à obtenir des résultats presque identiques lorsqu’on répète une mesure.

En anglais simple : 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.

Synonymes : repeatability, reproducibility

Expressions courantes : high precision, measurement precision, precision of something

précision numérique

Nombre de chiffres auxquels on peut se fier dans le résultat d’une mesure.

En anglais simple : 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.

Synonymes : numerical precision

Expressions courantes : measurement precision, decimal precision, precision of something

de précision

Conçu pour mesurer avec une très grande exactitude.

En anglais simple : 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.

Synonymes : high-precision

Expressions courantes : precision instrument, precision scale, precision measuring equipment