The metre, kilogram, second and ampere are called fundamental units or base units. From these units we can derive some more units that are called derived units. These units are built up step by step from the base units and usually given a distinct name.
cadre [(kad-ree, kah-dray)] An elite or select group that forms the core of an organization and is capable of training new members. The New Dictionary of Cultural Literacy, Third Edition
Entering 2011, only two men had served significant stints as Tiger Woods' caddie. Near the end of the 2011 season, Woods added a third man to the list of his full-time caddies. The three primary Tiger Woods caddies to date are: 1  Mike Fluff Cowan: Fluff Cowan was hired by Woods as caddie right at the beginning of Woods' professional career. 2  Steve Williams: After Woods dismissed Cowan, he hired Steve Williams as caddie.