plural of fag-end

plural of Garden of Eden

(law, copyright law) A contract between the manufacturer or copyright holder, also commonly called the licensor, of an end product and a person, commonly called the end user, that specifies the licenses under which the end user may utilize the end product, subject to restrictions as specified in the contract or agreement.

plural of educated guess

creativity

The phenomenon whereby a liquid, in near contact with a mass significantly hotter than the liquid's boiling point, produces an insulating vapour layer which keeps the liquid from boiling rapidly.

plural of duck-egg blue

(chiefly US) Alternative form of wits' end

rare earth element

(chemistry, obsolete) Any of the four metals aluminum, gallium, indium and thallium of the boron group in the periodic table of elements.