Alternative spelling of ratoon (“rattan cane”)

In the International System of Units, the derived unit of radioactive activity; the activity of a quantity of radioactive material in which one nucleus decays per second. Symbol: Bq

(chiefly US) A variety of residential building where the individual houses lining a street share adjacent walls in common and have a continuous stretch of roof

A machine that delivers checked luggage to the passengers at the baggage claim area at their final destination. The luggage rotates in the carousel until it is picked up.