RONTGEN RAY n.
paque substances, as wood and flesh, their action on photographic plates, and their fluorescent effects. They were called X rays by their discoverer, W. K. Röntgen. They also ionize gases, but cannot be reflected, or polarized, or deflected by a magnetic field. They are regarded as nonperiodic, transverse pulses in the…
RUE n.
A perennial suffrutescent plant (Ruta graveolens), having a strong, heavy odor and a bitter taste; herb of grace. It is used in medicine. Then purged with euphrasy and rue The visual nerve, for he had much to see. Milton. They [the exorcists] are to try the devil by holy water, incense, sulphur, rue, which from thence,…
RUSH n.
the genus Eleocharis, in which the flowers grow in dense spikes. -- Sweet rush, a sweet-scented grass of Arabia, etc. (Andropogon schoenanthus), used in Oriental medical practice. -- Wood rush, any plant of the genus Luzula, which differs in some technical characters from Juncus.