wheel·base 
(wēlbās′, hwēl-)
(wēlbās′, hwēl-)n.
The distance between the centers of the front and rear wheels of a vehicle.
- counteraction
- counteractive
- counteractively
- counterargument
- counterattack
- counterbalance
- counterblow
- counterchange
- countercharge
- counter check
- countercheck
- counterclaim
- counterclaimant
- counterclockwise
- counterconditioning
- countercoup
- countercultural
- counterculture
- counterculturist
- countercurrent
- countercurrently
- countercyclical
- counterdemonstration
- counterdemonstrator
- counterespionage