- reflux boiling
- reflux coil
- reflux condenser
- reflux drum
- reflux duty
- reflux exchanger
- reflux liquid
- reflux ratio
- reflux valve
- refluxing
- refold
- refolded fold
- refolder
- refolding
- refoliation
- refoot
- reforest
- reforestation
- reforge
- reform
- reform agenda
- reform movement
- reform school
- reformable
- reformat
- reformation
- reformative
- reformatory
- reformatting
- reformed
- reformed gas
- reformed gasoline
- reformer
- reforming
- reforming stock
- reformism
- reformist
- refortify
- reforwarding
- refound
- refract
- refractable
- refracted
- refracted light
- refracted ray
- refracted wave
- refracting
- refracting angle
- refracting material
- refracting medium
- refracting prism
- refracting telescope
- refraction
- refraction angle
- refraction anomaly
- refraction factor
- refraction grating
- refraction index
- refraction loss
- refraction method
- refraction process
- refraction profile
- refraction shooting
- refractional
- refractive
- refractive effects
- refractive index
- refractive modulus
- refractive power
- refractiveness
- refractivity
- refractometer
- refractometry
- refractomy state
- refractor
- refractories
- refractoriness
- refractory
- refractory aggregate
- refractory block
- refractory brick
- refractory cement
- refractory ceramics
- refractory clay
- refractory coating
- refractory composition
- refractory concrete
- refractory floor
- refractory furnace
- refractory glaze
- refractory juice
- refractory lime
- refractory lining
- refractory material
- refractory materials
- refractory metal
- refractory mortar
- refractory ore
- refractory period
- refractory porcelain