refract light refracted refracted light refracting refracting telescope refracting telescopes refraction refraction index refraction of light refractions refractive refractive error refractive errors refractive index refractive index detector refractive index n refractive indices refractive power refractive surgery refractometer refractor refractories refractoriness refractors refractory refractory brick refractory bricks refractory cement refractory ceramic refractory lining refractory material refractory materials refractory metal refractory metals refractory oxide refractory period refractory product refractory products refractory steel refracts refrain refrain from calling refrain from commenting refrain from doing refrain from doing so refrain from drinking refrain from eating refrain from giving refrain from judging refrain from making refrain from saying refrain from smoking refrain from speaking refrain from taking refrain from talking refrain from using refrain from violence refrained refraining refrains reframe reframe it reframed reframing refresh refresh button refresh frequency refresh his memory refresh it refresh me refresh my memory refresh ourselves refresh rate refresh rates refresh the list refresh the page refresh themselves refresh this page refresh you refresh your browser refresh your memory refresh your mind refresh yourself refreshed refreshed and ready refresher refresher course refresher courses refresher training refreshes refreshing refreshing beverage refreshing beverages refreshing change refreshing change of pace refreshing cocktail refreshing dip refreshing drink refreshing drinks