Irrefragability :: Irrefragability (n.) The quality or state of being irrefragable; incapability of being refuted.

Irrefragable :: Irrefragable (a.) Not refragable; not to be gainsaid or denied; not to be refuted or overthrown; unanswerable; incontestable; undeniable; as, an irrefragable argument; irrefragable evidence..

Irrefrangibility :: Irrefrangibility (n.) The quality or state of being irrefrangible; irrefrangibleness.

Irrefrangible :: Irrefrangible (a.) Not refrangible; that can not be refracted in passing from one medium to another.

Irrefromable :: Irrefromable (a.) Incapable of being reformed; incorrigible.

Prefrontal :: Prefrontal (a.) Situated in front of the frontal bone, or the frontal region of the skull; ectethmoid, as a certain bone in the nasal capsule of many animals, and certain scales of reptiles and fishes..

Prefrontal :: Prefrontal (n.) A prefrontal bone or scale.

Refract :: Refract (n.) To bend sharply and abruptly back; to break off.

Refract :: Refract (n.) To break the natural course of, as rays of light orr heat, when passing from one transparent medium to another of different density; to cause to deviate from a direct course by an action distinct from reflection; as, a dense medium refrcts the rays of light as they pass into it from a rare medium..

Refractable :: Refractable (a.) Capable of being refracted.

Refracted :: Refracted (imp. & p. p.) of Refrac.

Refracted :: Refracted (a.) Bent backward angularly, as if half-broken; as, a refracted stem or leaf..

Refracted :: Refracted (a.) Turned from a direct course by refraction; as, refracted rays of light..

Refracting :: Refracting (p. pr. & vb. n.) of Refrac.

Refracting :: Refracting (a.) Serving or tending to refract; as, a refracting medium..

Refraction :: Refraction (n.) The act of refracting, or the state of being refracted..

Refraction :: Refraction (n.) The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a different density from that through which it has previously moved..

Refraction :: Refraction (n.) The change in the direction of a ray of light, and, consequently, in the apparent position of a heavenly body from which it emanates, arising from its passage through the earth's atmosphere; -- hence distinguished as atmospheric refraction, or astronomical refraction..

Refraction :: Refraction (n.) The correction which is to be deducted from the apparent altitude of a heavenly body on account of atmospheric refraction, in order to obtain the true altitude..

Refractive :: Refractive (a.) Serving or having power to refract, or turn from a direct course; pertaining to refraction; as, refractive surfaces; refractive powers..

Refractiveness :: Refractiveness (n.) The quality or condition of being refractive.

Refractometer :: Refractometer (n.) A contrivance for exhibiting and measuring the refraction of light.

Refractor :: Refractor (n.) Anything that refract.

Refractor :: Refractor (n.) A refracting telescope, in which the image to be viewed is formed by the refraction of light in passing through a convex lens..

Refractorily :: Refractorily (adv.) In a refractory manner; perversely; obstinately.

Refractoriness :: Refractoriness (n.) The quality or condition of being refractory.

Refractory :: Refractory (a.) Obstinate in disobedience; contumacious; stubborn; unmanageable; as, a refractory child; a refractory beast..

Refractory :: Refractory (a.) Resisting ordinary treatment; difficult of fusion, reduction, or the like; -- said especially of metals and the like, which do not readily yield to heat, or to the hammer; as, a refractory ore..

Refractory :: Refractory (n.) A refractory person.

Refractory :: Refractory (n.) Refractoriness.

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