**Synonyms:** differential, differential gear

**Definition:** a bevel gear that permits rotation of two shafts at different speeds; used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves

**Similar words:** pinion and crown wheel, pinion and ring gear, bevel gear

**Definition:** gears that mesh at an angle

**Synonyms:** differential

**Definition:** a quality that differentiates between similar things

**Similar words:** difference

**Definition:** the quality of being unlike or dissimilar

**Usage:** *there are many differences between jazz and rock*

**Synonyms:** differential, differential coefficient, derivative, derived function, first derivative

**Definition:** the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx

**Similar words:** figuring, calculation, computation, reckoning

**Definition:** problem solving that involves numbers or quantities