cross-platform

From cross- +‎ platform.

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cross-platform (not comparable)

1. Across platforms.
   • 2022 November 8, Allison Theresa, “Sadie Robertson Huff Preaches Submissive Womanhood. Her Message Is Uncomfortably Compelling.”, in Cosmopolitan‎^[1]:

     In person, Huff looks exactly as she does on her massively popular Instagram account, her sheer foundation and subtle bronze eyeshadow catching the spotlight just like they do the ring light. She has the cross-platform ease of someone who’s been famous forever because she basically has been.

2. (computing) Of software, etc., designed to work on various operating systems.

   Synonym: multi-platform

   Antonyms: single-platform, monoplatform

3. (rail transport) That takes place between two trains in different platforms, usually across an island platform.
   • 1962 October, “London gets its Victoria tube”, in Modern Railways, page 256:

     At Euston the cross-platform interchange between the Victoria Line and the Northern Line (City branch) will be unusual in that passengers will board trains travelling in the opposite direction to continue their journey. Normally, of course, in cross-platform interchange, trains depart in the same direction.

•   cross-platform on Wikipedia.Wikipedia
•   cross-platform interchange on Wikipedia.Wikipedia