cost-per-action adjective refers to a pricing policy for online services whereby an advertiser pays for agreed actions such as a purchase
Kullar says Likeourselves is backed by the potential for cost-per-action advertising, but also says businesses will pay for a custom service with enhanced features. [www.guardian.co.uk 18 Oct 2010]
pre-salt adjective refers to oil reserves found under a thick layer of salt deep under the earth’s surface
A series of huge recent ‘pre-salt’ finds off the coast of Brazil have transformed the fortunes of the company and catapulted Brazil into one of the world’s leading energy and economic powerhouses. [The Guardian (UK broadsheet) 16 Nov 2010]
silver swaddler noun an aluminium foil bag used for keeping people warm in extreme weather conditions
The most fashionable item this winter is the silver swaddler. [BBC Radio 4; The Today Programme 18 Dec 2010]
The ‘silver swaddlers’, as they are often referred to, are usually seen at the finish line of sporting events but are proliferating at Heathrow and Eurostar terminals. [The Guardian (UK broadsheet) 21 Dec 2010]