(plural paradigm shifts) 1  A radical change in thinking from an accepted point of view to a new one, necessitated when new scientific discoveries produce anomalies in the current paradigm. ( US) A radical change in thinking from an accepted point of view to a new belief.
The use of IN GOD WE TRUST has not been uninterrupted. The motto disappeared from the five-cent coin in 1883, and did not reappear until production of the Jefferson nickel began in 1938. Since 1938, all United States coins bear the inscription.
The Dollar Coin has been the main staple of the United States' monetary system since it was authorized by Congress on April 2, 1792 and first struck in 1794. Even though it was large in size (38.1 to 40 mm), it was a popular denomination and circulated well due to its buying power.