1 The exhibition is a unique opportunity to see her later work. 2  A unique feature of these rock shelters was that they were dry. 3  Fingerprints are unique to every individual. 4  This is a unique opportunity to hear Mr Maitland speak in person.  This problem is not unique to learners of English.
Compact as used in politics may refer broadly to a pact or treaty; in more specific cases it may refer to: The Compact, the agreement between the government and the voluntary and community sector in England Interstate compact Blood compact, an ancient ritual of the Philippines Compact government, a type of colonial rule utilized in British North ...
Compact Disk/CD . A compact disk or CD is a popular form of digital storage media used for computer files, pictures and music. The plastic platter is read and written to using a laser in a CD drive. It comes in several varieties including CD-ROM, CD-R and CD-RW. James Russell invented the compact disk in 1965. Russell was granted a total of 22 patents for various elements of his compact disk system. However, the compact disk did not become popular until it was mass manufactured by Philips in 1980.