wheel·base 
(wēlbās′, hwēl-)
(wēlbās′, hwēl-)n.
The distance between the centers of the front and rear wheels of a vehicle.
- nonnuclear
- non-nucleoside analog
- non-nucleoside reverse transcriptase inhibitor
- no-no
- nonobjective
- nonobservance
- nonobservant
- nonobservantly
- non obstante
- no-nonsense
- nonoxynol-9
- nonpareil
- nonpartisan
- nonpartisanship
- nonperformance
- nonperformer
- nonperforming
- nonperishable
- nonpersistent
- nonperson
- nonplus
- nonpoint
- nonpolar
- nonprescription
- nonproductive