QUATERNION n. 2 definitions
nces, facts, or the like. Delivered him to four quaternions of soldiers. Acts xii. 4. Ye elements, the eldest birth Of Nature's womb, that in quaternion run. Milton. The triads and quaternions with which he loaded his sentences. Sir W. Scott.
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…