evergreening
n.— «The Government will consider ditching amendments to the agreement, forced by Labor last year, which stop drug companies from artificially extending their patents to boost their earnings. The practice, known as “evergreening,” is common in the US.» —“Drug price alert on trade pact” by David Wroe in Canberra The Age (Melbourne, Australia) Jan. 4, 2006. (source: Double-Tongued Dictionary)
Further reading
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...
There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...