REFLECTION n.
nce of an excitement from one nerve fiber to another by means of the nerve cells, as in reflex action. See Reflex action, under Reflex. Angle of reflection, the angle which anything, as a ray of light, on leaving a reflecting surface, makes with the perpendicular to the surface. -- Angle of total reflection. (Opt.) Sa…
SAINT n.
the intercession of Saint Anthony. -- Saint Anthony's nut (Bot.), the groundnut (Bunium flexuosum); -- so called because swine feed on it, and St. Anthony was once a swineherd. Dr. Prior. -- Saint Anthony's turnip (Bot.), the bulbous crowfoot, a favorite food of swine. Dr. Prior. -- Saint Barnaby's thistle (Bot.),…
SALLOW n.
A name given to certain species of willow, especially those which do not have flexible shoots, as Salix caprea, S. cinerea, etc. Sallow thorn (Bot.), a European thorny shrub (Hippophae rhamnoides) much like an Elæagnus. The yellow berries are sometimes used for making jelly, and the plant affords a yellow dye.…