emissivity (plural emissivities)
(physics) The energy-emitting propensity of a surface, usually measured at a specific wavelength.
Source: Wiktionary
Em`is*siv"i*ty, n.
Definition: Tendency to emission; comparative facility of emission, or rate at which emission takes place, as of heat from the surface of a heated body.
Source: Webster’s Unabridged Dictionary 1913 Edition
10 January 2025
(noun) the act of combining one thing at intervals among other things; “the interspersion of illustrations in the text”
International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.
