English

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Etymology

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From super- +‎ alkaline.

Adjective

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superalkaline (comparative more superalkaline, superlative most superalkaline)

  1. Highly alkaline.
    • 2007 November 10, Alina Tugend, “In Battery Buying, Enough Decisions to Exhaust That Bunny”, in New York Times[1]:
      The top of the line are lithium batteries (not to be confused with lithium-ion batteries, which are typically used in laptops and cellphones) which cost $9.99 for Energizer AA batteries at CVS, $4 more than the superalkaline ones.