(psychology) a state that occurs after a person has experienced a stressful situation repeatedly. They come to believe that they are unable to control or change the situation, so they do not try, e...

An application of mud, clay, etc. to the skin of the face for cosmetic purposes.

(technology, cryptocurrencies) A software protocol that is capable of automatically enforcing terms agreed upon in a contract.

(rail transport, British spelling) The process of converting a railway to a metro-style service.