differential

Word parts

different + -ial

Pronunciation

• IPA ^(key): /ˌdɪfəˈrɛnʃəl/

• Audio (US)

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Noun

Singular differential

Plural differentials

1. (countable) A differential is a difference between amounts or values.

   There is a differential in pay between part-time and full-time employees.

2. (countable) A differential is a mechanical device in a vehicle that helps its wheels turn at different speeds.

   The truck's differential allowed the rear wheels to rotate independently.

3. (countable) In calculus, a differential is a very small amount of change in a variable or function.

   We use the differential of x (written "dx") to find derivatives.

Adjective

Positive differential

Comparative none

Superlative none

1. A differential effect, impact, change, etc. is different for different cases.

   They studied the differential impact of two medications.

Related words

• differ
• different