pum·per·nick·el 
(pŭmpər-nĭk′əl)
(pŭmpər-nĭk′əl)n.
A dark, sourish bread made from whole, coarsely ground rye.
[German, probably from dialectal, term of abuse : obsolete Pumper, breaking wind (from dialectal pumpern, to break wind, from Middle High German, to knock, frequentative of pumpen, of imitative origin) + German Nickel, goblin; see NICKEL.]
- equator
- equatorial
- equatorial bulge
- equatorial coordinate system
- equatorial current
- Equatorial Guinea
- equatorially
- equatorial plate
- equerry
- equestrian
- equestrianism
- equestrianship
- equestrienne
- equi-
- equiangular
- equid
- equidistance
- equidistant
- equidistantly
- equilateral
- equilaterally
- equilibrate
- equilibration
- equilibrator
- equilibratory