Term: refractive index: the ratio of the velocity of light in a vacuum to that in a medium
Candidate hypernym: ratio: the relative magnitudes of two quantities (usually expressed as a quotient) → 1
Candidate hypernym: diathermy: a method of physical therapy that involves generating local heat in body tissues by high-frequency electromagnetic currents → 0
Candidate hypernym: merbromine: a mercurial compound applied topically as an antiseptic; Mercurochrome is the trademark → 0
Candidate hypernym: autogamy: self-fertilization in plants → 0
Candidate hypernym: nous: common sense → 0
Candidate hypernym: head of state: the chief public representative of a country who may also be the head of government → 0
Candidate hypernym: lovingness: a loving feeling → 0
Candidate hypernym: hearthstone: a stone that forms a hearth → 0
Candidate hypernym: incurability: incapability of being cured or healed → 0
Candidate hypernym: pictorial representation: visual representation as by photography or painting → 0
Candidate hypernym: shipbuilding industry: an industry that builds ships → 0