plural of radiation pressure

A plant of the genus Peperomia, many of which are commonly used as houseplants.

(acoustics) The impedance of any vibrating solid or fluid that radiates sound in the surrounding medium.

(engineering) Electromagnetic waves with frequencies around one terahertz. / (engineering) Especially electromagnetic waves in the range 0.1-30 THz (or subranges there of, see T-rays or T-waves).

(physics) The radiation of beta particles as a result of radioactive decay.

electromagnetic radiation consisting of X-rays, radiation in the X-ray spectrum, of shorter wavelength and higher frequency than ultraviolet and longer wavelength and lower frequency than gamma rays

(radio) the energy of a radio frequency, determined by multiplying the transmitter power output with the antenna gain.

plural of effective radiated power

Radiation that does not cause atmospheric ionization; electrically neutral radiation.

(pathology) An acute illness caused by irradiation of the entire body by a high dose of penetrating radiation in a very short period of time.