English

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Etymology

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From inter- +‎ shell.

Pronunciation

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Adjective

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intershell (not comparable)

  1. (physics) Between shells.
    • 2007 September 21, Phil Szuromi, “Chemistry: Bigger with Platinum”, in Science 317, published 1651:
      "This cluster is unusual in that its outermost shell has fewer atoms than the underlying shell, and CO ligands bridge intershell metal atoms."

Noun

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intershell (plural intershells)

  1. (astronomy) The layer between two stellar shells, particularly between the hydrogen and helium shells.
    • 1981, A. Renzini, “Evolutionary Effects of Mass Loss in Low-Mass Stars”, in Effects of Mass Loss on Stellar Evolution[1], →ISBN, page 332:
      "In this inner portion of the intershell 13C and N are totally absent, but there is some 16O."