a.

1. 差别的；依差别而定的；鉴别性的
   They pay differential rents according to their income.

   他们根据收入多少付级差房租。

2. 独特的，与众不同的
   differential features

   特征

3. 【数】微分的
4. 【机】【物】差动的，应差的
   a differential gear

   差动齿轮

n.

1. （可相比之事物间的）差别[C]
   differentials in salary

   工资级差

2. 【数】微分[U]
   total differential

   全微分

3. 【机】（汽车的）差动齿轮[C]

adj.

1. constituting or depending on a difference; varying according to circumstances or relevant factors.
2. Mathematics  relating to infinitesimal differences or to the derivatives of functions.

n.

1. a difference.
   ▸Brit. a difference in wages between industries or between categories of employees in the same industry.
   ▸Mathematics  an infinitesimal difference between successive values of a variable.
2. a gear allowing a vehicle's driven wheels to revolve at different speeds in cornering.