Print. Originally, oxtail referred to the skinned tail of an ox, but over time the definition has changed and is now used to reference the tail meat of beef or veal.rint. Originally, oxtail referred to the skinned tail of an ox, but over time the definition has changed and is now used to reference the tail meat of beef or veal.
radiant. adj. 1. sending out rays of light; bright; shining. 2. characterized by health, intense joy, happiness, etc: a radiant countenance. 3. (General Physics) emitted or propagated by or as radiation; radiated: radiant heat.
Visible light such as sunlight carries radiant energy, which is used in solar power generation. In radiometry, radiant energy is the energy of electromagnetic and gravitational radiation. The SI unit of radiant energy is the joule (J). The quantity of radiant energy may be calculated by integrating radiant flux (or power) with respect to time.