The electromagnetic radiation that a perfect blackbody would give off at a given temperature. A warm blackbody would emit radiation with a higher average frequency than a cooler one.
noun a unitary authority in NW England, in Lancashire. Pop: 139 800 (2003 est). Area: 137 sq km (53 sq miles)
a black-and-white North American wood warbler, Dendroica fusca, having an orange throat and an orange and black head.
noun any of various Australian eucalyptus trees having rough fibrous bark and hard wood used as timber Historical Examples Dot and the Kangaroo Ethel C. Pedley
noun a N temperate shrub, Ribes nigrum, having red or white flowers and small edible black berries: family Grossulariaceae the fruit of this shrub (as modifier): blackcurrant jelly