VDict - Definition of focal ratio

search result for focal ratio in English - English (Wordnet) dictionary

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focal focal ratio stop number f number speed eccentricity abundance jacksonian epilepsy reticle dioptre diopter graticule hamartoma npc inr nonproliferation center fisheye lens bureau of intelligence and research wide-angle lens sensory epilepsy fresnel lens closeup lens reticule bifocals astigmia astigmatism hub focally restriction stigmatism confinement accommodation gunpowder stoichiometry empirical formula frequency response index number coefficient of self induction self-inductance harmonic law kepler's third law loss ratio coefficient of elasticity kilometres per hour kilometers per hour modulus of elasticity elastic modulus bimetallism factor of proportionality load factor constant of proportionality km/h kph cosec cosecant cosine cotan cotangent sitka spruce picea sitchensis wing loading voltage regulator refractive index power loading index of refraction gross margin profit margin margin of profit aspect ratio albedo span loading reflective power mph mutual inductance coefficient of mutual induction miles per hour secant respiratory quotient cos trigonometric function

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