differential

 
Pronunciation: /ˌdɪfəˈrɛnʃ(ə)l/
chiefly technical

adjective

[attributive]
  • of, showing, or depending on a difference; varying according to circumstances or relevant factors: the differential achievements of boys and girls
  • constituting a specific difference; distinctive: the differential features between benign and malignant tumours
  • Mathematics relating to infinitesimal differences or to the derivatives of functions.
  • relating to a difference in a physical quantity: a differential amplifier

noun

  • a difference between amounts of things: the differential between petrol and diesel prices
  • British a difference in wages between industries or between categories of employees in the same industry: regional differentials in pay
  • Mathematics an infinitesimal difference between successive values of a variable.
  • (also differential gear) a gear allowing a vehicle’s driven wheels to revolve at different speeds in cornering.

Derivatives

differentially

adverb

Origin:

mid 17th century: from medieval Latin differentialis, from Latin differentia 'difference' (see differentia)