racemic acid
rachis
racking
racking arm
racking hose
racking pipe
racking tank
racking valve
racy
radiation (1)
radiation (2)
rainfall
rainfall gauge
raisin wine
raising the barrel
raising-up hoop
raisining
raisins
raisiny
rancid
ranking
rasiny bunch
ratafia
rating
raw
raw spirits
ray cell
RDI
reaction time
rebate brandy
rebate spirits
rebate store
rebate wine
rebottle
receiving bin
recombinant DNA
recombination
record keeping
recorking
rectification
rectification column
rectified concentrated grape juice
rectifier
red leaf disease
red spider mite
red wine
red wine area
red wine cultivar
red wine maker
red wine varietal
red wine variety
redox potential
reduced alcohol wine
reducing sugar
reflux
reflux column
reflux drum
reflux rate
reflux ratio
refractometer
refractometry
refrigeration
refrigeration coil
refrigeration cycle
refrigeration jacket
refrigeration plant
refrigeration plate
refrigeration system
region
regulated deficit irrigation
Rehoboam
relative humidity
relative humidity sensor
remote sensing
remuage
renosterveld
repayment
replace
replant
replanting
reporter gene
reserve

reserve port
reserves
residual sugar
residue
resin
resinuous
resource-limited producers
respiration
resveratrol
retail price
retail trade
retailer
retsina
reverse osmosis
Rhine bottle
rhizopus rot
ribonucleic acid
rich
rich soil
riddling
riddling machine
ridge
ridge
ridging plough
ring spot
ringing
rinsing machine
ripe
ripper
ripping
RNA
robust
roll-on pilfer-proof capsule
root
root
root hair
root knot
root pruning
root rot
root system
root volume
root zone
root-knot nematode
root-lesion nematode
rootling
rootstock
rootstock component for grafting
rootstock cutting
rootstock nursery
rootstock sucker
ropiness
ROPP
ropy
rosé wine
rotary drum vacuum filter
rotary harrow
rotary hoe
rotary lobe pump
rotating biological contractor
rotavator
rototank
rougeau
round
round berry
round shave
round tar pole
rounding adze
rousing
row direction
row spacing
row width
RS
rubber hose
ruby port
rugose (1)
rugose (2)
run-off
run-off water
running costs
Rupestris stem pitting