RADIUM n.
ende, 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 flames carmine and give a characteristic spectrum. It resembles barium chemically. Radium pre…
RECOVERABLE a.
Capable of being recovered or regained; capable of being brought back to a former condition, as from sickness, misfortune, etc.; obtainable from a debtor or possessor; as, the debt is recoverable; goods lost or sunk in the ocean are not recoverable. A prodigal course Is like the sun's; but not, like his, recoverable. S…