RADIUM n.
An intensely radioactive metallic element found (combined) in minute quantities in pitchblende, and various other uranium minerals. Symbol, Ra; atomic weight, 226.4. Radium was discovered by M. and Mme. Curie, of Paris, who in 1902 separated compounds of it by a tedious process from pitchblende. Its compounds color fla…
RIDE v.
rides easy or hard, slow or fast. To ride easy (Naut.), to lie at anchor without violent pitching or straining at the cables. -- To ride hard (Naut.), to pitch violently. -- To ride out. (a) To go upon a military expedition. [Obs.] Chaucer. (b) To ride in the open air. [Colloq.] -- To ride to hounds, to ride behind,…
SAUCISSON; SAUCISSE n.
A long and slender pipe or bag, made of cloth well pitched, or of leather, filled with powder, and used to communicate fire to mines, caissons, bomb chests, etc.
SENSITIVE a.
roar, flare, or become suddenly shortened or extinguished, by slight sounds of the proper pitch. -- Sensitive joint vetch (Bot.), an annual leguminous herb (Æschynomene hispida), with sensitive foliage. -- Sensitive paper, paper prepared for photographic purpose by being rendered sensitive to the effect of light. --…