Adjective
multisection (not comparable)
Having multiple sections
By 1940 multisection tubes had become commonplace. Source: Internet
Multifunction and multisection tubes The pentagrid converter contained five grids between the cathode and the plate (anode). Source: Internet
To further reduce the cost and complexity of radio equipment, two separate structures (triode and pentode for instance) could be combined in the bulb of a single multisection tube. Source: Internet