The phrase "additional pillar" is correct and usable in written English.
It can be used when referring to an extra support or foundational element in a discussion, plan, or framework.
Example: "In our strategy for growth, we identified an additional pillar that focuses on community engagement."
Alternatives: "extra foundation" or "supplementary support".
In addition to the five pillars, the chapter also lists a few additional pillars that build on the change from reactive to proactive management potential released by achieving zero breakdowns.
Ultimately, to challenge the Bay Area for market leadership, we need a wave of Medidatas to build additional pillars supporting the NYC platform.
Additional glowing pillars can be smashed to offer bonus time as you juggle the desire to build a big score with the need to survive, which is as paramount as ever (it doesn't matter how many enemies you've destroyed, if you're killed before being choppered to safety, the score will reset to zero).
Additional micro-pillars located at the front and back of the ridges represent flow barriers which provide reduced flow velocity and a reduction in friction forces acting on the settled cells, imperative for long-term culture conditions of microfluidic hepatocyte cultures.
The ships proved to be good sea boats, but had to be reinforced while under construction with additional stiffening and pillars under the forecastle deck to cure some minor structural problems forward.
Originally unveiled in 1873 to mark numerous Prussian victories, the Victory Column was lengthened, on Hitler's insistence, by the insertion of an additional drum into the pillar.
To save at least £1 million of additional steelwork, fourteen internal pillars were installed to support the roof.
In a May 16 Time magazine interview, Governor Huntsman ripped a western cap-and-trade compact he helped create as governor: "Cap-and-trade ideas aren't working; it hasn't worked, and our economy's in a different place than five years ago... [P]utting additional burdens on the pillars of growth right now is counter-productive".
The four main pillars plus the additional four.
The arrangement of pillars adds an additional layer of distortion, turning the otherwise linear beams of light into dynamic abstract patterns.
