emissivity

emis·siv·i·ty

noun \ˌe-mə-ˈsi-və-tē, ˌē-ˌmi-ˈsiv-\

plural emis·siv·i·ties

Definition of EMISSIVITY

: the relative power of a surface to emit heat by radiation : the ratio of the radiant energy emitted by a surface to that emitted by a blackbody at the same temperature

First Known Use of EMISSIVITY

1880

Rhymes with EMISSIVITY

absorptivity, adaptivity, additivity, affectivity, aggressivity, coercivity, collectivity, compulsivity, conductivity, connectivity, creativity, destructivity, diffusivity, directivity, effectivity, emotivity, exclusivity, exhaustivity, expansivity, expressivity, impassivity, impulsivity, inactivity, inclusivity, infectivity, negativity, objectivity, perceptivity, permittivity, positivity, primitivity, productivity, progressivity, reactivity, receptivity, reflexivity, relativity, resistivity, retentivity, selectivity, self-activity, sensitivity, subjectivity, transitivity