substream

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noun

A stream contained within another stream.

OriginEnglish stream ← Middle English strem ← Old English strēam →
RareScrabble 13
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Meanings

nounsubstream (plural substreams)

plural substreams

  1. computingA stream contained within another stream.

Origin

  1. Latinsub
  2. Latinsub-
  3. Englishsub-
  4. Proto-Indo-European*ser-?
  5. Proto-Indo-European*srew-
  6. Proto-Indo-European*srow-mo-s
  7. Proto-Germanic*straumaz
  8. Proto-West Germanic*straum
  9. Old Englishstrēam
  10. Middle Englishstrem
  11. Englishstream
  12. Englishsubstream

From sub- + stream.

Full word history & related roots →

Rhymes & wordplay

Anagrams

submaster
Cite this entry
APA

substream. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/substream

MLA

“substream.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/substream. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “substream,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/substream.

Source: substream on Wiktionary, CC BY-SA 4.0.