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adj. Capable of being stacked.

n. A network switch that can be set up to operate with other network switches.

"There are currently some great H&M discount codes doing the rounds - and the best thing about them is, they're "stackable" - if you don't know what that means, basically you can use all 3 voucher on the same order."

200-square-foot    self-stick    tippy-top    split-based    extendable