differential

écart, différentiel

Différence entre des quantités, valeurs ou qualités comparables.

En anglais simple : A difference between comparable amounts, values, or qualities.

• The pay differential is small.
• A price differential exists between the two markets.
• The interest rate differential widened last month.

Comment l'utiliser : differential between A and B (The pay differential between the two jobs is small.); differential in something (There is a large differential in wages.)

Synonymes : difference, gap

Expressions courantes : pay differential, price differential, interest rate differential

différentiel

Pièce permettant aux roues de tourner à des vitesses différentes, notamment dans les virages.

En anglais simple : A vehicle part that lets its wheels turn at different speeds, especially when going around corners.

• The mechanic checked the differential.
• A faulty differential made the car difficult to turn.
• The truck needs new oil in its rear differential.

Expressions courantes : rear differential, differential gear, differential oil

différentielle

Quantité mathématique exprimant une très petite variation d'une autre quantité.

En anglais simple : A mathematical quantity representing a very small change in another quantity.

• The differential is written as dx.
• Find the total differential of this function.
• We used differentials to estimate a small change in volume.

Comment l'utiliser : differential of something (We calculated the differential of the function.)

Expressions courantes : differential of something, total differential, exact differential

différentiel, différencié

Qui produit des effets différents ou s’applique différemment selon les cas.

En anglais simple : Having different effects or applying differently in different cases.

• The policy had differential effects on families.
• Workers complained about differential treatment.
• The study compared the differential impact of two drugs.

Synonymes : unequal, varying

Contraires : uniform

Expressions courantes : differential impact, differential treatment, differential rates

différentiel

Qui concerne une différence entre des choses ou sert à la montrer.

En anglais simple : Connected with a difference between things or used to show that difference.

• The instrument measures differential pressure.
• These differential characteristics help identify the two species.
• A differential diagnosis considers several possible causes of the symptoms.

Expressions courantes : differential pressure, differential diagnosis, differential characteristics

différentiel

Qui concerne l’étude mathématique de la façon dont les quantités changent.

En anglais simple : Connected with the mathematical study of how quantities change.

• We studied differential calculus today.
• She solved a differential equation.
• Differential methods describe how the population changes over time.

Expressions courantes : differential calculus, differential equation, differential operator