REFN - ZGVmZQ==
- reformat
- reformatting
- reformulation
- refract
- refracted beam
- refracted mode
- refracted ray
- refracting element
- refraction
- refraction grating
- refraction loss
- refraction optical scanner
- refractive
- refractive index
- refractive irregularities
- refractive modulus
- refractive power
- refractive-index matching
- refractivity
- refractometer
- refractometry
- refractor
- refractoriness
- refractory
- refractory contact
- refractory gate
- refractory metallization
- refractory period
- refractory phase
- refrangibility
- refrangible
- refrangibleness
- refreezing
- refresh
- refresh buffer
- refresh circuitry
- refresh display cycle
- refresh divider
- refresh memory
- refresh rate
