- wallThick
: BLCMDpillbox
- warnings
: BLManager
- weight
: Track
, BLCMDbeam
- when
: BLCMDg4ui
- width
: BLCMDcorner
, BLCMDextrusion
, BLCMDfieldexpr
, BLCMDparticlefilter
, BLGroup
, BLCMDtrackerplane
, BLCMDusertrackfilter
, BLCMDbox
, BLCMDvirtualdetector
- win1OuterRadius
: BLCMDpillbox
- win1Thick
: BLCMDpillbox
- win2Thick
: BLCMDpillbox
- windowMaterial
: BLCMDabsorber
- winMat
: BLCMDpillbox
- wireOffset
: BLCMDtrackerplane
, TrackerPlaneInstance
- wireOffsetErr
: TrackerPlaneInstance
- wireSpacing
: BLCMDtrackerplane
, TrackerPlaneInstance
- wireSpacingErr
: TrackerPlaneInstance
- world
: BLGroup
, BLCMDtotalenergy
- worldHalfHeight
: BLCMDfieldlines
- worldHalfLength
: BLCMDfieldlines
- worldHalfWidth
: BLCMDfieldlines
- worldPhysicalVolume
: BLManager
- worldPhysVol
: BLGroup
g4beamline