Term: refractive index: the ratio of the velocity of light in a vacuum to that in a medium
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: diathermy: a method of physical therapy that involves generating local heat in body tissues by high-frequency electromagnetic currents
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: merbromine: a mercurial compound applied topically as an antiseptic; Mercurochrome is the trademark
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: autogamy: self-fertilization in plants
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: nous: common sense
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: head of state: the chief public representative of a country who may also be the head of government
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: lovingness: a loving feeling
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: hearthstone: a stone that forms a hearth
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: incurability: incapability of being cured or healed
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: pictorial representation: visual representation as by photography or painting
Broader: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) | Unrelated: shipbuilding industry: an industry that builds ships