While the first humbucker pickup in use, and issued a patent, was actually the Gretsch Filter'Tron pickup prototypes, designed by Ray Butts in 1954 at the request of Chet Atkins for his Gretsch 6120. The strange name of the pickup was not intentional.
2. uncountable noun. The division of something among people or things is its separation into parts which are distributed among the people or things. The current division of labor between workers and management will alter.
partition. 1  a division into or distribution in portions or shares. 2  a separation, as of two or more things. 3  something that separates or divides. 4  a part, division, or section. 5  an interior wall or barrier dividing a room, area of a building, enclosure, etc., into separate areas. 6  a septum or dissepiment, as in a plant or animal structure.